I'm not afraid to say what I feel, and I'm not afraid to be who I am.

节制欲念，修养身心，安贫乐道，摒除机巧，都是驱逐病魔的良方。

技术推动天文学的进步，更好的仪器带来更深刻的见解。

The past is a foreign country; they do things differently there.

人工智能的挑战不仅仅是构建能够执行任务的系统，而是构建能够学会执行任务的系统。

The biggest risk is not taking any risk.

The world is full of beauty, but it is also full of pain and suffering.

I find I'm so excited. I can barely sit still or hold a thought in my head. I think it the excitement only a free man can feel, a free man at the start of a long journey whose conclusion is uncertain. I hope I can make it across the border.I hope the Pacific is as blue as it has been in my dreams. I hope to see my friend, and shake his hand. I hope.