没有伟大的艺术家是看事物真实的样子，如果他这样他就不再是艺术家。
No great artist ever sees things as they really are ,If he did he would cease to be a artist.
Life does not ask what we want. It presents us with options.
数学是给不同事物赋予相同名称的艺术。
如果你担心从自行车上摔下来，你就永远不会骑上去。