理论物理学的美在于它能够揭示支配宇宙的隐藏对称性和模式。

A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.

Hope can be a powerful force. Maybe there's no actual magic in it, but when you know what you hope for most and hold it like a light within you, you can make things happen, almost like magic.