Nothing brings more pain than too much pleasure; nothing more bondage than too much liberty.

Look round the habitable world, how few Know their own good, or, knowing it, pursue!

Be sober and temperate, and you will be healthy.

Your best investment is to pour your purse into your head, and no one can take it away from you.

It is a grand mistake to think of being great without goodness and I pronounce it as certain that there was never a truly great man that was not at the same time truly virtuous.

What science can there be more noble, more excellent, more useful for men, more admirably high and demonstrative, than this of mathematics?

A dying man can do nothing easy.