Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.

如果时空穿梭是可能的，那从未来穿越回来的旅客在哪里呢？

The text you write must prove to me that it desires me.

大家互相钩，互相镶，就是互相残害啊！ 

In mathematics, the journey of discovery is as important as the destination.

Quality is not a department; it is a mindset.

Mom always has the softest place in my heart.

True leadership means making tough decisions today that will benefit generations tomorrow.

When somebody hits you, hit back harder.