教师必须相信学生的潜力。他必须在每个人身上看到神圣之火的火花。
The teacher must believe in the potential of his students. He must see in each one of them a spark of the divine fire.
The plastic industry must evolve or become obsolete. Sustainability is no longer an option—it's a necessity.
宇宙是一个巨大的地方，也许是最大的。
The organism has one basic tendency and striving—to actualize, maintain, and enhance the experiencing organism.
如果你的目标没有时间表，那它就只是一个梦想。