The beauty of a mathematical proof is in its elegance and the way it reveals the underlying truth in a clear and concise manner.

You can't live a positive life with a negative mind.

The only person who is educated is the one who has learned how to learn and change.

解释：拥有绝色美貌的人，完全能够祸乱人的情志。

Leadership in energy isn't about controlling resources—it's about stewarding them wisely.

Every day is a new opportunity to change your life.

If you're fearless, life will be limitless.

做数学就是探索一个思想的宇宙，唯一的限制是你的想象力。