Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

The beauty of mathematics lies in its ability to connect seemingly unrelated ideas.

艺术家的角色是提出问题，而不是提供答案。

Your life changes the moment you make a new, congruent, and committed decision.

The true measure of an economy’s success is how well it serves all its citizens.

科学是我们解开生命之谜的工具。