感恩是负面情绪的解毒剂，是嫉妒、敌意、担忧和愤怒的中和剂。

My dad was my best friend and greatest role model. He was an amazing dad, coach, mentor, soldier, husband and friend.

The world is an extremely dangerous, untrustworthy, unreliable place.

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

True progress happens when we listen to both scientists and farmers.