爱是一种非理性的决定。
The best way to learn mathematics is to do mathematics.
艺术打开了一个其他经验无法触及的维度，在这个维度中，人类、自然和事物不再受既定现实原则的支配。
That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
Climate change solutions begin with how we manage our forests.
The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.