谀言顺意而易悦，直言逆耳而触怒。
译文：奉承的话顺从了人的内心容易让人高兴，直率的话不能接受让人容易发怒。赏析：奉承的话虽然好听，但能让人迷失自我，直率的话虽然逆耳，但能让人清醒。我们少听阿谀的谗言，多听直率的忠言。
成功的关键是坚持和永不放弃。
The only man who behaves sensibly is my tailor; he takes my measure anew every time he sees me, while all the rest go on with their old measurements.
The only real mistake is the one from which we learn nothing.
There is only one good, which is knowledge, and one evil, which is ignorance.
对于音乐家而言，最必要的，最重要的，最主要的，最本质的事情是：知道他想要什么，他能做什么，以及他应该做什么。