As for everything else, so for a mathematical theory: beauty can be perceived but not explained.

Projective geometry is all geometry.

Euclid avoids it [the treatment of the infinite]; in modern mathematics it is systematically introduced, for only then is generality obtained.

So much the worse, it may be, for a particular meeting: but the meeting is the individual, which on evolution principles, must be sacrificed for the development of the race.

And in another point of view, I think it is right that the address of a president should be on his own subject, and that different subjects should be thus brought in turn before the meetings.

Metrical geometry is thus a part of descriptive geometry, and descriptive geometry is all geometry.

God is my helper.

As hard as we strive, man remains a perfect imperfect being.

I think it would be well, and proper, and obedient, and pure, to grasp your one necessity and not let it go, to dangle from it limp wherever it takes you.

Misadventure asked what the harm was partaking in one more and I decided not to argue with her.

Countries are not cultivated in proportion to their fertility, but to their liberty.

Art is amoral, whether we accept this or not; it does not take sides. The finest fictions are cold at heart.

I definitely feel more comfortable in my own skin since turning 40.

The history of the universe is, in effect, a huge and ongoing quantum computation. The universe is a quantum computer.

If thou may not continually gather thyself together, do it sometime at least once a day, morning or evening.

An injured Zlatan is a pretty serious thing for any team.