抓住丈夫是一门艺术；留住他是一项工作。

煤炭的未来在于可持续和负责任的采矿实践。

The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

唯一的正义就是遵循灵魂真诚的直觉，无论是愤怒还是温柔。

监管挑战不是障碍；它们是卓越的护栏。

宇宙充满了神奇的事物，耐心地等待着我们的智慧变得更加敏锐。