A programming language is low level when its programs require attention to the irrelevant.

可持续性不仅仅是一个目标，更是我们对后代的责任。

金钱只是一个工具。它会带你去任何你想去的地方，但它不会代替你成为司机。

Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.

We must be free not because we claim freedom, but because we practice it.