天籁，风吹万窍声音不同，都是自由自在地发声或停止，毋需外力的支配。
The most important victories are the ones that come after the toughest defeats.
The most dangerous chemical in any plant isn't the one in the vats - it's complacency.
生活的美在于它的不可预测性。
When you do something best in life, you don’t really want to give that up – and for me it’s tennis.