人之为学，不日进则日退。
人在学习上，如果不每天进步就会每天退步。
Humans are allergic to change. They love to say, 'We've always done it this way.' I try to fight that. That's why I have a clock on my wall that runs counter-clockwise.
The task of the leader is to get his people from where they are to where they have not been.
"The most profound truths are found in contradictions."
The only limit to our realization of tomorrow is our doubts of today.
事实是，我们都在试图弄清楚如何生活。
保持开放的心态，接受不同的意见。