真正的护城河是用户对你的依赖。

A great brand is built on trust, quality, and consistency.

The study of mathematics is like air or water to the development of science.

Probability theory is nothing but common sense reduced to calculation.

The measure of a good book is whether or not it makes you see the world differently.

The information paradox challenges our understanding of the universe, pushing us to rethink the foundations of physics.

体操是我做的事，而不是我是谁。