Doubting everything and believing everything are two equally convenient solutions that guard us from having to think

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.

Welcome to the world Caitlyn. Can't wait for you to get to know her/me.

My mum and dad are pretty amazing chefs and they spent most of my childhood cooking really extravagant things for my sister and me.

You'll be a good parent when you're ready to no longer be selfish. Until I was about 35, it was all about me. I look back and I'm astonished at how I lived my life - it was totally self-involved.

I like to be home every night with my family.

Even if I'm playing a superhero, it has to be steeped in reality.

Being single doesn't mean your weak. It means your strong enough to wait for what you deserve.

Because of where I come from, I never thought I'd see in my life a black candidate running for President.

The bottom line is, if you're not the one controlling your learning, you're not going to learn as well.

Cold prayers always freeze before they reach heaven .

I cite these events because I think they underline two very disturbing phenomena - the loss of U.S. international credibility, the growing U.S. international isolation.