An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment.

An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment.

对自然世界的理解，以及其中的内涵，不仅是一种巨大的好奇心，也是一种巨大的满足感。

-- Sir David Attenborough 爱登堡爵士