Nothing is more active than thought, for it travels over the universe, and nothing is stronger than necessity for all must submit to it.

I will be sufficiently rewarded if when telling it to others you will not claim the discovery as your own, but will say it was mine.

Hope is the only good that is common to all men; those who have nothing else possess hope still.

Time is the wisest of all things that are; for it brings everything to light.

The past is certain, the future obscure.

If there is neither excessive wealth nor immoderate poverty in a nation, then justice may be said to prevail.

All things are from water and all things are resolved into water.