数学的本质在于它的自由。

The decisions of the poor are often heartbreakingly rational.

Vulnerability is not weakness, it's radical honesty.

When you can do the common things of life in an uncommon way, you will command the attention of the world.

If you don’t take risks, you’ll never know what you could have achieved.

我不害怕失败。

农业中的每一个挑战都是创新的机会。