One does not ask whether a scientific theory is true, but only whether it is convenient.

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 can't measure the mutual affection of two human beings by the number of words they exchange.

If you want plenty of experience in dealing with difficult people, then have kids.

I didn't think marriage worked. I thought everybody who was married was secretly miserable - that it was something they just put up with for their children.

Getting older is a lot of fun. Right up there with chewing glass or putting your hand in a blender.

Comparison is a thug that robs your joy. But its even more than that - Comparison makes you a thug who beats down somebody - or your soul.

The hard part was when I went into the studio with co-producer Eric Broucek, and he started slashing my demos. I always sweat that.

I loved dressing for my pregnant body. A pregnant woman's body is so beautiful. Towards the end, it does get harder, and then it became all about flats and comfortable maxi dresses.

Would you stop hoping? Hope is just postponed disappointment.

These managers all know their onions and cut their cloth accordingly.

I think skating helped me find myself.