Zero is the number of objects that satisfy a condition that is never satisfied. But as never means "in no case", I do not see that any progress has been made.

Point set topology is a disease from which the human race will soon recover.

It is by logic that we prove, but by intuition that we discover. To know how to criticize is good, to know how to create is better.

There are no solved problems; there are only problems that are more or less solved.

The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.

Doubt everything or believe everything: these are two equally convenient strategies. With either we dispense with the need for reflection.

If nature were not beautiful, it would not be worth knowing, and if nature were not worth knowing, life would not be worth living

It is through science that we prove, but through intuition that we discover.

Geometry is the art of correct reasoning from incorrectly drawn figures.

One geometry cannot be more true than another; it can only be more convenient.

It is far better to foresee even without certainty than not to foresee at all.

You are the most beautiful fairy from heaven. You have made my life a fairytale.

No more creepy online alter egos in the name of love.

And is often the case with faith, I thought I was being asked a favor, when in fact I was being given one".

Hard to find anything lovelier than a tree. They grow at right angles to a tangent of the nominal sphere of the Earth.

You got to learn to take what people are willing to give.

I read in the paper that I'd slashed my wrists. But I didn't.

The abuse of terms has at all times been an evil.

One of the difficulties with all our institutions is the fact that we've emphasized the reward instead of the service.

I love the science-fiction genre because there's always so many endless possibilities! It's a limitless genre and can be fun playing around with otherworldly ideas.

Scientists have a second brain where other people have their hearts.