釋義：他強(qiáng)調(diào)空氣密度對于物質(zhì)形態(tài)的決定性作用，認(rèn)為物質(zhì)的形態(tài)和性質(zhì)都受到空氣密度的影響。
If you want to live a happy life, tie it to a goal, not to people or things.
True architecture always emerges from the dialogue between past and present.
The problem of quality management is not what people don't know about it. The problem is what they think they do know.