Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties. And not to Democrats alone do I make this appeal, but to all who love these great and true principles.

Markets, by themselves, do not produce efficient outcomes.

The energy sector must lead by example in the fight against climate change.

你有没有为将来打算过呢？

"Words have power, but silence can be even more powerful."

我看到一切。这就是我的问题。

心理学家必须避免一切形式的心理物理学。

宇宙不允许完美。