Wild animals never kill for sport. Man is the only one to whom the torture and death of his fellow creatures is amusing in itself.
Human improvement is from within outward.
The essence of greatness is neglect of the self.
As we advance in life, we learn the limits of our abilities.
Ignorance is the dominion of absurdity.
Instruction does not prevent wasted time or mistakes; and mistakes themselves are often the best teachers of all.
The practical effect of a belief is the real test of its soundness.
Mistakes are often the best teachers.
Fear is the parent of cruelty.
Men think to mend their condition by a change of circumstances. They might as well hope to escape from their shadows.
Life is change, to cease to change is to cease to live; yet if you may shed a tear beside the death-bed of an old friend, let not your heart be silent on the dissolving of a faith.
I scarcely know a professional man I can like, and certainly not one who has been what the world calls successful, that I should the least wish to resemble.