The ultimate goal of machine learning is to make computers learn from experience and improve their performance over time.

If you want to stand out, you have to be willing to be different.

The deepest insights in mathematics often come from the most abstract theories.

The world is full of poetry. The air is living with its spirit; and the waves dance to the music of its melodies, and sparkle in its brightness.

建筑师最强大的工具是橡皮擦。

译文：连续地打仗，百姓就会感到劳苦；长期打仗，士兵就会感到疲惫。

The true revolutionary is guided by a great feeling of love.

Your smarts will come in handy because you will travel in a land of marvels. We humans -- plodding as we are -- will astonish ourselves. We'll invent ways to generate clean energy and a lot of it. Atom by atom， we'll assemble tiny machines that will enter cell walls and make repairs. This month comes the extraordinary but also inevitable news that we've synthesized life. In the coming years， we'll not only synthesize it， but we'll engineer it to specifications. I believe you'll even see us understand the human brain. Jules Verne， Mark Twain， Galileo， Newton -- all the curious from the ages would have wanted to be alive most of all right now. As a civilization， we will have so many gifts， just as you as individuals have so many individual gifts as you sit before me.