Measuring the immeasurable requires not just technology, but imagination.

我从最底层爬上来，现在我在这儿。

The real difficulty lies not in devising new ideas, but in escaping from the old ones.

Your attitude, not your aptitude, will determine your altitude.

城市的穷人就像树的根；看不见，但对它的生命至关重要。

唯一确定的是不确定性。