Sustainability is no longer an option—it's a business imperative for long-term survival.

Optimism is not just a trait; it's a skill that can be cultivated.

"Every saint has a past, and every sinner has a future."

When we hate someone, we hate in his image something within ourselves.

Mathematical intuition is like a muscle - it grows stronger with exercise.

我不是来讨人喜欢的，我是来被爱的。

科学人应当没有愿望、没有情感，只剩一颗如石之心。