There is nothing in life so irrational, that good sense and chance may not set it to rights; nothing so rational, that folly and chance may not utterly confound it.

I do not know myself, and God forbid that I should.

The most damaging prejudice consists of banning any kind of investigation of nature.

The day is of infinite length for him who knows how to appreciate and use it.

The loss of a much-prized treasure is only half felt when we have not regarded its tenure as secure.

To create something you must be something.

If children grew up according to early indications, we should have nothing but geniuses.