There is nothing in which people more betray their character than in what they laugh at.

A useless life is an early death.

Against great advantages in another, there are no means of defending ourselves except love.

We are accustomed to see men deride what they do not understand, and snarl at the good and beautiful because it lies beyond their sympathies

Pity on the person who has become accustomed to seeing in necessity something arbitrary, who ascribes to the arbitrary some sort of reason, and even claims that following that sort of reason has religious value.

If you are convinced of a matter, you must take sides or you don't deserve to succeed.

Go to the place where the thing you wish to know is native; your best teacher is there. Where the thing you wish to know is so dominant that you must breathe its very atmosphere, there teaching is moat thorough, and learning is most easy. You acquire a language most readily in the country where it is spoken; you study mineralogy boat among miners; and so with everything else.