Though the familiar use of things about us take off our wonder, yet it cures not our ignorance.

Set the mind to work, and apply the thoughts vigorously to the business, for it holds in the struggles of the mind, as in those of war, that to think we shall conquer is to conquer.

Let not men think there is no truth, but in the sciences that they study, or the books that they read.

I attribute the little I know to my not having been ashamed to ask for information, and to my rule of conversing with all descriptions of men on those topics that form their own peculiar professions and pursuits.

Practice conquers the habit of doing, without reflecting on the rule.

It is of great use to the sailor to know the length of his line, though he cannot with it fathom all the depths of the ocean.

That which is static and repetitive is boring. That which is dynamic and random is confusing. In between lies art.