He who desires solitude is either an animal or a god.

But by far the greatest obstacle to the progress of science and to the undertaking of new tasks and provinces therein is found in this-that men despair and think things impossible.

Knowledge hath in it somewhat of the serpent, and therefore where it entereth into a man it makes him swell.

Hope is the most beneficial of all the affections, and doth much to the prolongation of life.

Money is a great servant but a bad master.

I will never be an old man. To me, old age is always 15 years older than I am.

Who then to frail mortality shall trust But limns the water, or but writes in dust.