... I am the same personal being who in old times upon the Earth had those experiences.

We don't laugh because we're happy - we're happy because we laugh.

Pretend what we may, the whole man within us is at work when we form our philosophical opinions.

... A rule of thinking which would absolutely prevent me from acknowledging certain kinds of truth if those ... truths were really there, would be an irrational rule.

Our colleges ought to have lit up in us a lasting relish for a better kind of man, a loss of appetite for mediocrities.

The minute a man ceases to grow, no matter what his years, that minute he begins to be old.

As there is no worse lie than a truth misunderstood by those who hear it, so reasonable arguments, challenges to magnanimity, and appeals to sympathy or justice, are folly when we are dealing with human crocodiles and boa-constrictors.