黄莺和鲜花尚且担心春光流逝，怎么可以白白虚度大好时光？
只要你能左右一颗树的未来，那么你是可以在那棵树上吊死的。
States are inherently aggressive and expansionist.
The greatest innovations are often the simplest.
我们肩负着对未来的责任。
The psychologist must avoid all forms of mental physics.