Good science requires both creativity and discipline.

"I write to make the invisible visible."

I would say that in the long run probably Communist China is likely to be in more of an expansionist phase than Soviet Russia...In their tactics, the Chinese Communists are probably the greater menace;

变化的速度永远不会比今天更慢。

Great spirits have often encountered violent opposition from weaker minds.

我唔会为咗红而做自己唔钟意做嘅嘢。

心灵的纯洁是愿意一件事。