Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed to exclude, in a manner, all other arts.

Every song has its own story, and every story deserves to be told.

Sustainability is not an option; it's a responsibility we owe to future generations.

Sustainability isn’t an option; it’s the only way forward.

所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。 

Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems—but as you approach the present, it inevitably seems more and more incredible.

I think that when you love somebody, whether it's right or wrong, nobody can tell you you're wrong.

Consciousness serves the organism's need to interact effectively with its world.