The past is always tense, the future perfect.

梦想不会自己实现，除非你付诸行动。

The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.

科技领域的多样性不仅仅是锦上添花——它对创造更好的产品至关重要。

写作是使不可见变为可见的艺术。