沉稳是具有传染性的。

Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.

"Die größte Gefahr ist die Gleichgültigkeit."

音乐是我的生活，我的生活是音乐。