One of the proofs of the immortality of the soul is that myriads have believed it. They also believed the world was flat.

Most people can't bear to sit in church for an hour on Sundays. How are they supposed to live somewhere very similar to it for eternity?

... No photograph ever was good, yet, of anybody - hunger and thirst and utter wretchedness overtake the outlaw who invented it! It transforms into desperadoes the weakest of men; depicts sinless innocence upon the pictured faces of ruffians; gives the wise man the stupid leer of a fool, and the fool an expression of more than earthly wisdom.

A marriage. . .will give a new gladness to the sunshine, a new fragrance to the flowers, a new beauty to the earth, and a new mystery to life.

I am not interested to know whether vivisection produces results that are profitable to the human race or doesn't...The pain which it inflicts upon unconsenting animals is the basis of my enmity toward it, and it is to me sufficient justification of the enmity without looking further.

Really, what we want now, is not laws against crime, but a law against insanity. That is where the true evil lies.

There is nothing training can't cannot do. Nothing is above its reach.