言语有力量，但沉默可能更有力量。
"Words have power, but silence can be even more powerful."
Science is a way of thinking much more than it is a body of knowledge.
"In the vastness of the cosmos, every discovery is a step closer to understanding our place in it."
【解释】幸福不可强求，保持愉快的心情，更能感受到幸福；灾祸难以避免，消除怨恨他人的念头，就能远离灾祸。
The best thing to hold onto in life is each other.
The existence of a legal system is a matter of social fact.
尿素合成是一个幸运的发现，但它开辟了一个新的研究领域。
解析：比喻立志用功需要循序渐进。