Here are some quotations from a wide variety of sources. They have nothing in common in terms of subject matter but all help us to understand human nature, even if only a little bit better.

“A man may do an immense deal of good, if he does not care who gets the credit for it.” Sir Mountstuart E. Grant Duff, right (1863)

“The first responsibility of a leader is to define reality. The last is to say thank you. In between the two, the leader must become a servant and a debtor.” Max De Pree

“If you think education is expensive, try ignorance.” Ann Landers (Eppie Lederer)

“Courage and perseverance have a magical talisman, before which difficulties disappear and obstacles vanish into air.” John Quincy Adams

“Convinced that behavior and conduct are every bit as important as skills and expertise, I sought to build the firm [McKinsey & Company] into an enduring, values-based institution.” Marvin Bower

“No success in public life can compensate for failure in the home.” J.E. McCulloch

“No one can whistle a symphony.”  Anonymous

“A man who chases two rabbits catches neither.” A second-cousin of Anonymous

“Criticism may not be agreeable, but it is necessary. It fulfills the same function as a pain in the human body; it calls attention to an unhealthy state of things.”  WInston Churchill

“The life which is unexamined is not worth living.”  Socrates (according to Plato)

“A business that makes nothing but money is poor.”  Henry Ford

“Behavior is a mirror in which everyone shows his image.”  Goethe

“Everyone has the power to say, This I am today. That I shall be tomorrow.”  Louis Lamour

“Won’t say he’s dishonest but if he wants his cows to come home, he’s got to get someone else to call ’em.” Maine proverb

“Reality is a collective hunch.”  Lily Tomlin