认为世界上只有一种真理,而自己正掌握着它,在我看来这是世界上所有邪恶的最深根源。
In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.  
英雄和恶棍之间的界限往往是模糊的。
The stock market is a giant distraction to the business of investing.