"A kiss is a lovely trick designed by nature to stop speech when words become superfluous."

"I will argue that sacredness of nature does not protect nature. Just because people venerate trees and rivers does not meant that they will take care of them."

"The great Voltaire once accused Spinoza of ‘abusing metaphysics’. Is not the uncompromising nature of metaphysics more important today than ever? Has not liberated thinking become the most valued free…"

"The full facts about Nazi Germany came out quite quickly, and were more than enough to induce despair. The full facts about the Soviet Union were slower to become generally appreciated, but when they …"

"Where did these two elements in our nature, egoism and altruism, come from? Why have human beings and all other beings known to terrestrial intelligence these two elements, just as they are, in their …"