为他人感到多，为自己感到少；抑制自私，发挥仁慈情感，构成了人性的完美。

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 development of MRI has revolutionized the field of medical imaging, allowing us to see inside the human body in ways that were previously unimaginable.

艺术家的角色是提出问题，而不是提供答案。