History is a voice forever sounding across the centuries the laws of right and wrong. Opinions alter, manners change, creeds rise and fall, but the moral law is written on the tablets of eternity.

No person is ever good for much, that hasn't been swept off their feet by enthusiasm between ages twenty and thirty

The practical effect of a belief is the real test of its soundness.

Experience teaches slowly, and at the cost of mistakes.

True greatness is the most ready to recognize and most willing to obey those simple outward laws which have been sanctioned by the experience of mankind.

To be happy is not the purpose for which you are placed in this world.

What is called virtue in the common sense of the word has nothing to do with this or that man's prosperity, or even happiness.