Memories are like shadows - they follow you everywhere, even when there's no light.
Success is not about the money you make, it's about the difference you make in people's lives.
如果你是战士，别为你自己的自由而战，而要为你战友的自由而战。这样，战争对你俩来说，就会更加鼓舞人心。
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.
The journey of a thousand miles begins with one step.
The success of an enterprise is not accidental, but inevitable.