"It is a timeless truth that the river of time washes away kings and empires, leaving only virtue intact — an essential principle for the reflective life."

"In the coming years, if not sooner, social media will become a powerful tool that consumers will aggressively use to influence business attitudes and force companies into greater social responsibility - and, I suggest, move us towards a more sustainable practice of capitalism."

"Companies, to date, have often used the excuse that they are only beholden to their shareholders, but we need shareholders to think of themselves as stakeholders in the well being of society as well."

"True knowledge is found not in possessing answers, but in continually asking the right questions. Remember this in moments of decisive trial — an essential principle for the reflective life."

"Getting out of the hospital is a lot like resigning from a book club. You're not out of it until the computer says you're out of it."

"I think it would be cool if you were writing a ransom note on your computer, if the paper clip popped up and said, 'Looks like you're writing a ransom note. Need help? You should use more forceful language, you'll get more money.'"

"With nine degrees of warming, computer models project that Australia will look like a disaster movie. Habitats for most vertebrates will vanish. Water supply to the Murray-Darling Basin will fall by half, severely curtailing food production."

"Because primarily of the power of the Internet, people of modest means can band together and amass vast sums of money that can change the world for some public good if they all agree."