To understand the mind, follow its practical consequences.

The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

Ideas become a material force when they grip the masses.

We must listen to the site; it will tell us what to do.

When we protect the ocean's biodiversity, we're ultimately protecting our own food security.

你是自己生活的艺术家。不要把画笔交给别人。

我不害怕变老。我害怕没有充分地生活。

I'm not a rapper, I'm a singing legend.