To give real service you must add something which cannot be bought or measured with money, and that is sincerity and integrity.- Douglas Adams
Real integrity is doing the right thing, knowing that nobody's going to know whether you did it or not.
- Oprah Winfrey
Integrity is the first step to true greatness. Men love to praise, but are slow to practice it. To maintain it in high places costs self-denial; in all places it is liable to opposition, but its end is glorious, and the universe will yet do it homage.- Charles Simmons
Integrity is not a conditional word. It doesn't blow in the wind or change with the weather. It is your inner image of yourself, and if you look in there and see a man who won't cheat, then you know he never will.- John D. MacDonald
Integrity has no need of rules.
- Albert Camus