The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.
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,其中一些中子将再次产生裂变。
The soul's joy lies in doing.
韧性不是人们要么有要么没有的特质。它涉及任何人都可以学习和发展的行为、思想和行动。
It is one of the superstitions of the human mind to have imagined that virginity could be a virtue.