我们是我们选择的结果。
做出伟大工作的唯一方法就是热爱你所做的事情。
科学的美在于它让我们看到的不是世界的现状,而是它可能的样子。
人生是一次选择的连续。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.