"The only thing necessary for the triumph of evil is for good men to do nothing."

Science is a journey, not a destination.

Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.

We are the temporary custodians of an ancient genetic legacy.

The merit of Marx is that he suddenly produces a qualitative change in the history of social thought. He interprets history, understands its dynamic, predicts the future, but in addition to predicting it, he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed.

"You don’t forget the face of the person who was your last hope."