Don't be afraid to make mistakes. If you're not making mistakes, you're not trying hard enough.

La poesía es la única prueba concreta de la existencia del hombre.

We have three baskets for investing：yes，no，and too tough to understand.

问题在于我们不仅不理性，而且是可预测的非理性——我们的非理性行为会以同样的方式一再发生。