Nor is it enough to toughen up his soul; you must also toughen up his muscles.

One open way of speaking introduces another open way of speaking, and draws out discoveries, like wine and love.

Wonder is the foundation of all philosophy; research, the progress; ignorance, the end. There is, by heavens, a strong and generous kind of ignorance that yields nothing, for honour and courage, to knowledge: an ignorance to conceive which needs no less knowledge than to conceive knowledge.

It is a small soul, buried beneath the weight of affairs, that does not know how to get clean away from them, that cannot put them aside and pick them up again.

Any person of honor chooses rather to lose his honor than to lose his conscience.

Oh, what a valiant faculty is hope, that in a mortal subject, and in a moment, makes nothing of usurping infinity, immensity, eternity, and of supplying its masters indigence, at its pleasure, with all things he can imagine or desire!

Once you have decided to keep a certain pile, it is no longer yours; for you can't spend it.