One is not struck by the truth until prompted quite accidentally by some external event.
一个国家的力量源于其田地的肥沃和农民的智慧。#
If you've never tried, how will you ever know if there's any chance?
化学之美在于它能够从基本原理中创造出新的可能性。
穷人不是不想储蓄,而是没有能力储蓄。