信仰是即使在看不到整个阶梯的情况下也迈出第一步。

In the end, we are all alone with our own thoughts and our own fears.

——《中国人之直言》（1920年4月3日）

如果不符合现实，最优雅的理论也是无用的。

The computer is a medium of expression, like a piano is a medium of expression.

Innovation is at the heart of what we do. It's how we meet the world's growing energy needs while addressing environmental challenges.