“Six essential qualities that are the key to success:…” — William C. Menninger | Solifret

“Six essential qualities that are the key to success: Sincerity, personal integrity, humility, courtesy, wisdom, charity.”

— William C. Menninger · Success · Life

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More from William C. Menninger

“He who is taught to live upon little owes more to his father's wisdom than he who has a great deal left him does to his father's care.”

— William C. Menninger · Wisdom
“A true friend freely, advises justly, assists readily, adventures boldly, takes all patiently, defends courageously, and continues a friend unchangeably.”

— William C. Menninger · Friendship

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