把这一句，留给此刻的你

The challenge is what was making it exciting. You don't want to do anything that's too easy or that you know that you can pull off, otherwise it's really not worth doing.

挑战是什么让它令人兴奋。你不想做任何太简单或者你知道你能完成的事情，否则真的不值得去做。

— Robert Rodriguez 罗伯特·罗德里格斯