怀疑并不是令人愉快的状态，但确信是荒谬的。

The most advanced aquaculture systems still rely on the wisdom of natural ecosystems.

The writer must be able to superintend himself and criticize himself.

编程的艺术是组织复杂性的艺术，是掌握多样性并尽可能有效地避免其混乱的艺术。