水太清澈就不会有鱼,人脾气太急就不会有智谋。
质量不是标签;它是一种标准。
Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.
Sustainability isn't just a buzzword—it's a responsibility we owe to future generations.
真相很少是纯粹的,也从不简单。