没有熟练的操作者，最先进的机械也毫无意义。

持续学习是保持竞争优势的唯一途径。

积极情绪就像是心灵的营养，帮助我们成长和蓬勃发展。

The freedom then of man, and liberty of acting according to his own will, is grounded on his having reason, which is able to instruct him in that law he is to govern himself by, and make him know how far he is left to the freedom of his own will.

可持续性不是一种选择；而是我们对后代的责任。

拿一个物体。对它做点什么。再对它做点别的。

大脑是一种计算机，但它与我们习惯的计算机非常不同。

Anyone who keeps the ability to see beauty never grows old.

The past is a wound that never heals.

孩子天生就能改进他们的行为，而且他们也喜欢这样。心理学家说，孩子必须游戏、因为借着游戏，孩子的发展才能更趋完善。