Clarity is like charity — it starts at home. If you are 80% clear, it can only go down from there: 79%, 50%, or lower. The truth is,...

People love knowledge. Every time we pick up a new idea, a fact, or an insight, we feel a halo shining around us. Knowledge makes us feel...

Some people always look diffident—perplexed, unsure, almost second-guessing every step. Others, in the very same situation, appear...