Mathematical intuition often guides the development of algorithms, but it is the rigorous proof that ensures their correctness and efficiency.

中国的崛起对自由民主秩序构成了重大挑战。

The United States has foolishly given Pakistan more than 33 billion dollars in aid over the last 15 years, and they have given us nothing but lies & deceit, thinking of our leaders as fools. They give safe haven to the terrorists we hunt in Afghanistan, with little help. No more!

两个人一条心，日子越过越好；反之则越过越穷，一事无成。

Life is 10% what happens to you and 90% how you react to it.