A philosophical problem has the form: "I don't know my way about."

女人的猜测比男人的确定要准确得多。

最好的图画书能为不同年龄段的读者提供不同层次的阅读体验。

Beliefs have the power to create and the power to destroy.

The time at our disposal each day is elastic; the passions we feel dilate it, those we inspire contract it; and habit fills up what remains.

没有付出，就没有收获。这是我的生活信条。

量子计算不仅仅是处理信息的新方式；它是一种思考计算本质的新方式。