Scientific discovery may not be better than sex, but the satisfaction lasts longer.

---

It is like a drinking straw. The surface of a straw is two-dimensional. However, one direction is curled up into a small circle, so that from a distance the straw looks like a one-dimensional line.

---

However difficult life may seem, there is always something you can do and succeed at.

---

We are very, very small, but we are profoundly capable of very, very big things.

---

The basic assumption of science is scientific determinism.

---

So remember to look up at the stars and not down at your feet. Try to make sense of what you see and hold on to that childlike wonder about what makes the universe exist.

---

Although I cannot move, and I have to speak through a computer, in my mind, I am free.

---

What is important is that we have the ability to create.

---

Look up at the stars, not down at your feet.

---

I used to think information was destroyed in black hole. This was my biggest blunder, or at least my biggest blunder in science.

---