Anything real begins with the fiction of what could be. Imagination is therefore the most potent force in the universe， and a skill you can get better at. It’s the one skill in life that benefits from ignoring what everyone else knows.

分发奖赏的人不要怀有私恩，行使惩罚权力的人也不要带有私怨。

The beauty of physics lies in its ability to explain the complexities of the universe with simple principles.