I know I must let the children be attentive, but neglect the most terrible danger of children.
我知道必须让孩子们有所专心,怠慢乃是孩子们最可怕的危险。
地球也是球形的,因为它从各个方向向中心施加压力。
永远不要低估一个精心设计的实验的力量。
Innovation is the soul of an enterprise; without innovation, there is no future.
写作是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。
Theoretically there is a perfect possibility of happiness: believing in the indestructible element within oneself, and not striving towards it.
最危险的世界观是那些未曾看过世界的人的世界观。
Customer loyalty is earned, never given.