"As a matter of self-preservation, a man..." - Quote by Diogenes
As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task.
More by Diogenes
“Dogs and philosophers do the greatest good and get the fewest rewards.”
“Once he saw the officials of a temple leading away some one who had stolen a bowl belonging to the treasurers, and said, "The great thieves are leading away the little thief."”
“Wise kings generally have wise counselors; and he must be a wise man himself who is capable of distinguishing one.”
More on Relationships
“You have a tremendous advantage over the man who does you an injury: You have it within your power to forgive him, while he has no such advantage over you.”
“The valuable person in any business is the individual who can and will cooperate with others.”
“My Emma, does not every thing serve to prove more and more the beauty of truth and sincerity in all our dealings with each other?”
More on Self Improvement
“Diffidence in an officer is a good mark because he will always endeavor to bring himself up to what he conceives to be the full line of his duty.”
“I went to graduate school as a lieutenant colonel after I had been in the army for 12 or 13 years. I learned so much from all the great management theorists. It gave me a greater understanding of my army experience and showed me the gaps in my knowledge.”
“you don't need to be better than any one else you just need to be better than you used to be”