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"The most important thing in science is not to be right, but to be curious."

The more we learn about the true nature of animals, the more we realize how much we have in common with them.

譯文：如果聽到別人毀謗我就大發雷霆,那就如同春蠶吐絲成繭一樣,自己把自己束縛了。

The only limit to our realization of tomorrow is our doubts of today.

任何地方的不公正都是對所有地方公正的威脅。