Mankind's common instinct for reality has always held the world to be essentially a theatre for heroism.
William JamesNo matter how full a reservoir of maxims one may possess, and no matter how good one's sentiments may be, if one has not taken advantage of every concrete opportunity to act, one's character may remain entirely unaffected for the better.
William JamesOne of the greatest discoveries of our time is that a man can alter the state of their life by altering the state of their mind.
William James