Covenants, without the sword, are but words, and of no strength to secure a man at all.

Every man has a property in his own person. This nobody has a right to, but himself.

宇宙充满了奥秘，这正是让科学家保持动力的原因。

合作是科学的关键；它将不同的观点和专业知识结合在一起，这对突破至关重要。