If you borrow something, try to return it in better shape than you received it. Clean it, sharpen it, fill it up.
如果你借了什么东西,试着在归还的时候把它变得比你借到时的状态更好。清洁它、打磨它、填充它。
抓紧时间,孩子们,让你的生命不同寻常。
I'm not angry anymore, I'm just tired.
The value of a mental process is in its survival utility.
世界会打击每一个人,但经历过后,许多人会在受伤的地方变得更坚强。
科学中最重要的工具不是显微镜,而是思维。