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.

"Der Mensch ist der Hirt des Seins."

Innovation in natural gas extraction is essential for meeting the world's growing energy demands.

自由民主在世界范围内的传播并非不可避免，但考虑到其他选择，它是最有可能的结果。

Adaptability is the key to survival in an ever-changing market.

"The most common way people give up their power is by thinking they don't have any."

广义相对论可能是所有现有物理理论中最美的。

Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night, so don't give up today.