We do not believe in immortality because we can't prove it, but we try to prove it because we cannot help believing it.

What office is there which involves more responsibility, which requires more qualifications, and which ought, therefore, to be more honorable, than that of teaching?

You had better live your best and act your best and think your best today; for today is the sure preparation for tomorrow and all the other tomorrows that follow.

Goodness and simplicity are indissolubly united.-The bad are the most sophisticated, all the world over, and the good the least.

My own feeling of concern arises from seeing how much moral injury and suffering is created by the superstitions of the Christian mythology.

[On being deaf:] We must struggle for whatever may be had, without encroaching on the comfort of others.

I hope and believe my co-religionists understand and admit that I disclaim their theology in toto, and that by no twisting of language or darkening of its meanings can I be made to have any thing whatever in common with them about religious matters... they must take my word for it that there is nothing in common between their theology and my philosophy.