The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
The past is always tense, the future perfect.
唯一的限制是你的思想。
我从不担心行动的危险,我更担心不行动的危险。
Not what we have, but what we enjoy, constitutes our abundance.
Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.
你不能害怕失败，这是成功的唯一途径。