10. The 7 Habits of Highly Effective People While he gets a bit preachy sometimes, Stephen Covey's road map for living doesn't just help you develop better habits. It also convinces you that acquiring them will make you a better person. Best quote: "Sow a thought, reap an action; sow an action, reap a habit; sow a habit, reap a character; sow a character, reap a destiny." 9. How to Win Friends & Influence People Prior to Dale Carnegie's classic, mixing business relationships with personal relationships was considered a bit underhanded, like nepotism. After Carnegie, business relationships and personal relationships were seen not just as compatible, but as absolutely inseparable. Best quote: "The unvarnished truth is that almost all the people you meet feel themselves superior to you in some way, and a sure way to their hearts is to let them realize in some subtle way that you recognize their importance, and recognize it sincer...