经济体制的核心是自由市场，它能够实现最大程度的效率和资源分配。

若是有足够的空间，婴儿会爬行去抓取东西。

The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

有自知之明的人，遇到问题了会反省自己，不会抱怨别人；能够掌握自己命运的人，只会积极进取，不会抱怨苍天。

To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.

体育教育的目标是发展健全的身体，作为健全心智的工具。