拿破仑在征俄惨败时如此说。

改变始于承认过去，但着眼于未来。

The best films are those that stay with you long after you've left the theater.

The primary rules of obligation are those that require or forbid certain actions.

Creativity requires the courage to let go of certainties.

化学是一门研究物质性质及其变化的科学。