Legal rights are not natural rights; they are created by law.

Silence is sometimes more powerful than words.

解释：大部分鸟类都是雄性的，而雌鸽却是雌性的，说明了鸟类性别的特殊性。

Leadership is about inspiring people to do things they never thought they could.

数据驱动的研究可以挑战长期持有的经济假设。

大胆梦想，努力工作，保持专注。