The most difficult thing is to be simple.

Innovation distinguishes between a leader and a follower.

The beauty of chemistry lies in its ability to explain the world at the molecular level.

Ignoring isn’t the same as ignorance, you have to work at it.

The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.

如果你想改变生活，就先改变思维。