The true measure of leadership is how you empower others to achieve what they thought was impossible.
数学的美在于它让我们以一种既精确又深刻的方式看待世界,揭示支配万物的潜在秩序。
The darkness is not outside, but within us.
我们必须在能源需求和环境保护之间取得平衡。
The present is the point at which the future crumbles into the past.
The only person you should try to be better than is the person you were yesterday.