衡量一家矿业公司的真正标准不是它的股价,而是它的管理责任。
Every experiment, whether successful or not, is a step toward understanding.
心理学的任务是发现心理结构的规律。
我已经履行了我的职责。我证明了庞加莱猜想,我在数学上没有什么可做的了。
Freedom is not the power to do what we want, but the right to do what we ought.
天道没有偏爱,但常常帮助善良的人。
The past is a foreign country; they do things differently there.