Don't wait for permission to make a difference.
生命的价值不在于能活多少天,而在于我们如何使用这些日子。
如果你是艺术家,你会试图理解这样或那样的事物。
Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.