The past is a foreign country; they do things differently there.

Environmental responsibility should be integrated into every decision we make.

每一个挑战都是伪装的机遇——只要你有心发现。

没有人民的普遍知识，自由就无法得到保障。

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

科学的真正力量在于它能够在我们追求知识的过程中团结我们。

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.