Silence is an endangered quantity in our time... Silence, embraced, stuns with its presence, its pregnant reality—a reality that does not negate reason and argument, but puts them in their place.

Tolerance is not really a lived virtue; it’s more of a cerebral ascent.

You can disagree with another person's opinions. You can disagree with their doctrines. You can't disagree with their experience.

Einstein believed deeply that science should transcend national and ethnic divisions. But he watched physicists and chemists become the purveyors of weapons of mass destruction in the early 20th century.

What a liberating thing to realize that our problems are probably our richest sources for rising to the ultimate virtue of compassion.

Humanity needs this technology as much as it needs all other technologies that have now connected us and set before us the terrifying and wondrous possibility of actually becoming one human race.

[Kindness] is a most edifying form of instant gratification.