I think we have a unique culture at Amazon that encourages both risk-taking and long-term thinking.

The olive tree teaches us that strength comes from deep roots.

"We are most alive when we're in love."

数学的目标是使简单的复杂化，使复杂的简单化。

生活就是忍受，在混乱中找到意义，尽管痛苦也要继续前进。

数学之美在于它的简洁与深度。