You don’t have to be great to start, but you have to start to be great.
你不必偉大才能開始，但你必須開始才能偉大。
音樂的美在于它無需言語就能喚起情感的能力。
If a man will begin with certainties， he shall end in doubts； but if he will be content to begin with doubts， he shall end in certainties.
不要讓恐懼阻止你做你想做的事。
A mathematical truth is universal and eternal.