气候之变迁，非一朝一夕之故，乃积渐使然。
气候的变化不是一朝一夕的原因，而是逐渐积累的结果。
What can be said at all can be said clearly, and what we cannot talk about we must pass over in silence.
释义：没有平地不变成山坡的，没有去了而不回来的，在艰难困苦中应坚守纯正，必然会有好的结果。
The true test of architecture is how it ages.