The total number of Dirichlet's publications is not large: jewels are not weighed on a grocery scale.

Mathematical discoveries, like springtime violets in the woods, have their season which no human can hasten or retard.

You have no idea, how much poetry there is in the calculation of a table of logarithms!

Mathematicians stand on each other's shoulders.

Ask her to wait a moment - I am almost done.

In mathematics there are no true controversies.

It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment. When I have clarified and exhausted a subject, then I turn away from it, in order to go into darkness again; the never-satisfied man is so strange if he has completed a structure, then it is not in order to dwell in it peacefully,but in order to begin another. I imagine the world conqueror must feel thus, who, after one kingdom is scarcely conquered, stretches out his arms for others.