We find that the more a cultivated reason devotes itself to the aim of enjoying life and happiness, the further does man get away from true contentment.

Patience is the strength of the weak, impatience is the weakness of the strong.

I learned to honor human beings, and I would find myself far more useless than the common laborer if I did not believe that this consideration could impart to all others a value establishing the rights of humanity.

In every department of physical science there is only so much science, properly so-called, as there is mathematics.

Beneficence is a duty; and he who frequently practices it, and sees his benevolent intentions realized comes, at length, really to love him to whom he has done good.

Experience without theory is blind, but theory without experience is mere intellectual play.

The busier we are, the more acutely we feel that we live, the more conscious we are of life.