The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

你不能只问顾客要什么，然后想法子给他们做什么。等你做出来，他们已经另有新欢了。

数学不是关于数字、方程、计算或算法的：它是关于理解的。

凯尔特人与自然有着紧密的联系，我们对自然元素怀有深深的敬意。

"Doubt is useful for a while. We must all pass through the garden of Gethsemane. If Christ played with doubt, so must we."

最好的儿童书籍是那些让孩子感到被看见和被听见的书籍。