Discipline.—No pain, no palm; no thorns, no throne; no gall, no glory; no cross, no crown.—William Penn.
No evil propensity of the human heart is so powerful that it may not be subdued by discipline.—Seneca.
Discord.—Our life is full of discord; but by forbearance and virtue this same discord can be turned to harmony.—James Ellis.
The peacemakers shall be called the sons of God, who came to make peace between God and man. What then shall the sowers of discord be called, but the children of the devil? And what must they look for but their father's portion?—St. Bernard.
Discretion.—Remember the divine saying, He that keepeth his mouth, keepeth his life.—Sir Walter Raleigh.
There are many more shining qualities in the mind of man, but there is none so useful as discretion.—Addison.
Discretion in speech is more than eloquence.—Bacon.
Discretion and hard valor are the twins of honor.—Beaumont and Fletcher.
The better part of valor is discretion.—Shakespeare.
Discretion is more necessary to women than eloquence, because they have less trouble to speak well than to speak little.—Father du Bosc.