[1] See Homiletic Encyclopædia of Illustrations, Nos. 173–175, 2017.
Heedfulness.
vii 4. Take heed.
The Hebrew word signifies, to prevent or keep off any evil with which we are threatened. The direction ought to extend to all that we do; for not one duty can be rightly performed without diligent attention, and it is no less incumbent upon us than upon the king and people of Judah (H. E. I. 4880–4890). It is a necessary and useful caution, which ought to be reduced to practice at all times, especially in seasons of perplexity and distress, such as that wherein Ahaz and his subjects received this admonition. 1. Take heed to your senses, particularly what you see and hear; for these are the avenues by which sin and vanity, or wisdom and instruction, enter into the heart (H. E. I. 4895). 2. Take heed to your actions, what you do, and how you act, and for what purpose you are employed, that you may happily avoid the many sins and dangers to which you are exposed, and attain the great ends which you ought uniformly to pursue. 3. Take heed to your tongue, that you sin not with your mouth; consider wisely what you say, to whom you speak, and to what purpose, especially when your minds are fretted, and when you feel yourselves under the influence of timidity and disappointment (P. D. 3558, 3559). 4. Take heed to your hearts, and keep them with all diligence, for out of them are the issues of life; attend to the secret operations of your minds, and the objects on which your affections terminate, that you may perceive whether they are properly moderated and directed (H. E. I. 2695–2705, 4887; P. D. 1735).—Robert Macculloch: Lectures on Isaiah, vol. i. p. 395.
Faith, the Condition of Firmness.
vii. 9. If ye will not believe, surely ye shall not be established.
“Established” is what every man wishes to be—fixed in fact and in feeling; established like a great oak which, because its roots take fast hold of the soil, is able to grow broader and higher and more luxuriant year by year. Such growth is impossible to a tree that is frequently transplanted. Notwithstanding—nay, in perfect harmony with the desire for progress that is in us all, we all desire to be “established.”
But no man can be “established” unless he believes. It is a universal law: No faith, no firmness. There are two things essential to “establishment,” to blessedness and peace in life: First, that we should find a good foundation, and then that we should rest upon it calmly and immovably. These are the conditions of social, commercial, political, and scientific blessedness and prosperity. In every realm of human activity, if we would be strong in fact and in feeling, it is essential that we should find something trustworthy, and then that we should trust (H. E. I. 1882–1888).
We are only stating this general truth in its highest form, when we say that if men do not believe in God as He has revealed Himself in His Word, they cannot be “established.” 1. God has revealed Himself in His Word as the righteous Ruler of nations, who will exalt the nations that seek after righteousness, and bring swift vengeance upon those who follow courses of evil. What will happen if a statesman, like Ahaz, does not really believe this? He will become a mere politician; he will do what seems to him “expedient.” This will often be iniquitous, and this at no distant period will inevitably lead to disaster and ruin (P. D. 2544). 2. God has revealed Himself as the supporter and rewarder of individual men who are resolved always and simply to do what is right. Confidence in God as thus revealed to them was the secret of the courage and endurance of the martyrs (Dan. iii. 16–18), and of countless sacrifices for truth and righteousness known only to God, but which He will never forget. But if a man does not really believe this truth, how easily is he swept away by temptation, whether it presents itself threateningly or seductively! 3. God has revealed Himself as, for Christ’s sake, pardoning absolutely all who repent and believe. Into the hearts of those who accept this revelation there come peace and joy, but into their hearts only. Want of faith in this revelation is the secret of all painful efforts to merit the Divine mercy. 4. God reveals Himself as the Saviour of His people from sin, as their Sanctifier from all the stains of iniquity. Want of faith in this revelation is the secret of the trouble that fills and oppresses many devout souls. They will never travel towards Zion with steadfast feet and rejoicing hearts until they do indeed believe it (Jude 24, 25). 5. God reveals Himself in Christ as the Good Shepherd who is with His people always. How troubled, because of the possibilities of life and the mystery of death, are those who do not with any vital faith accept this revelation which He has been pleased to give us! But the twenty-third Psalm is the song of those who do believe it (P. D. 1156–1160).
The practical application of all this is very simple, but supremely important. First, let us inquire whether God is worthy of our trust; and then, if the inquiry should lead us to an affirmative conclusion, let us trust Him. This trust will transform our whole life. No terrors shall have power to dismay us. The misery of Ahaz and his people (ver. 2) we shall never know (H. E. I. 1911–1919); but ours shall be the rejoicing confidence of the spiritual hero of whom Ahaz was such an unworthy descendant (Ps. xxvii. 1–6; P. D. 1177).