Adapt or perish, now as ever, is nature's inexorable imperative.
We must make the world honest before we can honestly say to our children that honesty is the best policy.
Impossible is a word only to be found in the dictionary of fools.
We teach people how to remember, we never teach them how to grow.
In peace, there's nothing so becomes a man as modest stillness, and humility; but when the blast of war blows in our ears, then imitate the action of the tiger, stiffen the sinews, summon up the blood...now set the teeth and stretch the nostril wide, hold hard the breath, and bend up every spirit to its full height!
In all human affairs there are efforts, and there are results, and the strength of effort is the measure of the results.
What other dungeon is so dark as one's own heart. What jailer so inexorable as one's self?
There is only one admirable form of the imagination: the imagination that is so intense that it creates a new reality, that it makes things happen.
There is nothing stable in human affairs; therefore avoid undue elation in prosperity, or undue depression in adversity.
My passions were all gathered together like fingers that made a fist. Drive is considered aggression today; I knew it then as purpose.