The challenge in quantum computing is not just to build a quantum computer, but to understand what it can do.

The truth is often found in contradiction.

It is the duty of a student to get everything out of a teacher， and the duty of a teacher to get everything out of a student.

In all affairs， it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.

我为我的声音而战，我赢了。