You can't knock on opportunity's door and not be ready.
我不是政治家。我是表演艺术家。
诗人是一个总是说真话的骗子。
I always tell my students that it's okay to make mistakes, as long as you learn from them.
To understand recursion, one must first understand recursion.
预测未来的最好方式就是创造未来。