唯一无法得到帮助的人是那些责备他人的人。
We are moving from an economy based on the production of goods to one based on the production of information.
最好的数学不仅正确,而且具有启发性。
Positivity transforms us for the better. By opening our hearts and minds, positive emotions allow us to discover and build new skills, new ties, new knowledge, and new ways of being.
The only way to discover the limits of the possible is to go beyond them into the impossible.