The brave may not live forever, but the cautious do not live at all.
美德不在于避免恶习,而在于不渴望它。
制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子,其中一些中子再次有效地产生裂变。
The truth is I'm a real perfectionist, and I drive myself crazy.
The one element which is of first importance in scientific management is the task idea.
我不是孩子,我是成人。
The truth is, we are all exiles.