To any artist, worthy of the name, all in nature is beautiful, because his eyes, fearlessly accepting all exterior truth, read there, as in an open book, all the inner truth.

Science is not just about discovery, but also about the application of knowledge to improve human life.

The world is not what it seems to be; it is what we believe it to be.

孩子不能从环境中得到回应，与外界互动的机会就会遭受剥夺。