The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

我不是因为快乐而歌唱，而是因为歌唱而快乐。

【释义】令人快乐的事情有很多种类，不能固执地用同一种标准来讨论。

A play is not a novel, it's a blueprint for an event.

I have learnt how to live... how to be in the world and of the world, and not just to stand aside and watch.

The architect must be a poet, but a poet who builds.