Nature hates calculators.
The things we now esteem fixed shall, one by one, detach themselves, like ripe fruit, from our experience, and fall. The wind shall blow them none knows whither.
What you do thunders above your head so loudly, I cannot hear the words you speak.
There is not a piece of science, but its flank may be turned tomorrow.
Every great man is unique.
Law of Contrariness: Our chief want in life is somebody who shall make us do what we can. Having found them, we shall then hate them for it.