The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。
道德越少，财富就越多；财富越少，道德就越多。
如果你想拥有从未有过的东西，你必须愿意做从未做过的事。
The beauty of mathematics is that it allows us to abstract away the complexities of the real world and focus on the underlying principles.