盈利和责任不是对立的；它们是一枚硬币的两面。
Profitability and responsibility are not opposites; they are two sides of the same coin.
科学是人类认识世界、改造世界的强大武器。
I come from a very large, loving family.
永不，永不，永不屈服。
引力比其他力弱得多这一事实可能是物理学中最深刻的谜团。