Failure is an option here. If things are not failing, you are not innovating enough.
理性是，也应该只是激情的奴隶，永远不能假装具有其他职责，而只能用于服务和服从它们。
Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.
摧毁人民最有效的方式是否认和抹杀他们对自己历史的理解。
The only way to learn a new programming language is by writing programs in it.