Probity

Definition: adherence to the highest principles and ideals; tried and proven virtue and integrity; upright; sincere; veracious; honest

Synonym: trustiness

Quotes:
• Take from a man his reputation for probity, and the more shrewd and clever he is, the more hated and mistrusted he becomes. — Marcus Tullius Cicero (106-43 BC) Roman Statesman
• Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are. — John Wooden (1910-2010) American Basketball Coach