The Book of the science of Mechanics must precede the Book of useful inventions.

Make your work to be in keeping with your purpose

In time and with water, everything changes.

You should prefer a good scientist without literary abilities than a literate one without scientific skills

Patience serves us against insults precisely as clothes do against the cold. For if you multiply your garments as the cold increases, that cold cannot hurt you; in the same way increase your patience under great offenses, and they cannot hurt your feelings.

The greatest geniuses sometimes accomplish more when they work less.

Truth was the only daughter of Time.