If you will rely upon the truth that your inner self is a part of the great Spirit, you will be able to conquer these things that annoy, and if you will add to that a proper care of your bodily health, you will get strength in every department. Do not look at things as failures, but regard every apparent failure after real effort as a success, for the real test is in the effort and motive, and not in the result. If you will think over this idea on the lines of The Bhagavat Gîtâ you will gain strength from it.
As before so now I will do all I can for you, which is not much, as each must do for himself. Just stay loyal and true, and look for the indications of your own duty from day to day, not meddling with others, and you will find the road easier. It is better to die in one's own duty than to do that of another, no matter how well you do it. Look for peace that comes from a realisation of the true unity of all and the littleness of oneself. Give up in mind and heart all to the Self and you will find peace.
The deadening dullness you speak of is one of the trials of the age, but we have some good and earnest people, and they may act as the righteous men in the cities of old, for our ideas are more mighty than all the materialism of the age, which is sure to die out and be replaced by the truth. You will have to take care that the spirit of the time, and the wickedness and apathy of the people, do not engender in you a bitter spirit. This is always to be found in the beginning, but now, being forewarned, you are forearmed.
Do not allow bitterness to come up; keep off all personalities all the time; let the fight be for a cause and not against anyone. Let no stones be thrown. Be charitable. Do not let people be asked to step out, no matter what they do; when they want to go they may go, but don't have threats nor discipline, it does no good but a lot of harm.
Say, look here, never growl at anything you have to do. If you have to go, just take it as a good thing you have to do, and then it will redound to the good of them and yourself, but if it is a constant cross then it does no good and you get nothing. Apply your theories thus.... It is a contest of smiles if we really know our business.... Never be afraid, never be sorry, and cut all doubts with the sword of knowledge.