The rules of navigation never navigated a ship. The rules of architecture never built a house.

It is the invaluable merit of the great Basle mathematician Leonard Euler, to have freed the analytical calculus from all geometric bounds, and thus to have established analysis as an independent science, which from his time on has maintained an unchallenged leadership in the field of mathematics.

Every indication of wisdom, taken from the effect, is equally an indication of power to execute what wisdom planned.

The rules of navigation never navigated a ship. The rules of architecture never built a house.

In every case, we ought to act that part towards another, which we would judge to be right in him to act toward us, if we were in his circumstances and he in ours; or more generally - What we approve in others, that we ought to practise in like circumstances, what we condemn in others we ought not to do.

I wanted to be a part of the downtown renaissance.

There is no greater impediment to the advancement of knowledge than the ambiguity of words.