我不是因为快乐而唱歌，我因为唱歌而快乐。

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

I never look back, I look forward.

The only way to do great work is to love what you do.

Technology decisions must balance foresight and practicality.