Every great advance in science has issued from a new audacity of imagination.

Music is the universal language of mankind.

我只想快乐地做音乐。

In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.

世界上一半的人有话要说却不能说，另一半无话可说却不停地说。