No man is sane who does not know how to be insane on proper occasions.

You may say, "I wish to send this ball so as to kill the lion crouching yonder, ready to spring upon me. My wishes are all right, and I hope Providence will direct the ball." Providence won't. You must do it; and if you do not, you are a dead man.

Leaves die, but trees do not. They only undress.

Greatness lies, not in being strong, but in the right using of strength; and strength is not used rightly when it serves only to carry a man above his fellows for his own solitary glory. He is the greatest whose strength carries up the most hearts by the attraction of his own.

The beginnings of moral enterprises in this world are never to be measured by any apparent growth. ... At length comes the sudden ripeness and the full success, and he who is called in at the final moment deems this success his own. He is but the reaper and not the labourer. Other men sowed and tilled and he but enters into their labours.

To become an able and successful man in any profession, three things are necessary, nature, study and practice.

Whatever is almost true is quite false, and among the most dangerous of errors, because being so near truth, it is more likely to lead astray.