可持续性不是选择，而是必然。
The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.
最好的建筑是民主的。
理论物理学之于数学，犹如雕塑之于几何学。