Unknown

Never ask the barber if you need a haircut.

Unknown, in Altruism and Cynicism

Never deprive someone of hope -- it may be all they have.

Unknown, in Altruism and Cynicism

Never give advice -- a wise man won't need it, a fool won't heed it.

Unknown, in Wisdom and Ignorance

Never make anything simple and efficient when a way can be found to make it complex and wonderful.

Unknown, in Success and Failure

Never put off till tomorrow what you can avoid all together.

Unknown, in Work and Recreation

Ninety-Ninety Rule of Project Schedules: The first ninety percent of the task takes ninety percent of the time, and the last ten percent takes the other ninety percent.

Unknown, in Success and Failure

No one gets too old to learn a new way of being stupid.

Unknown, in Wisdom and Ignorance

Non-Reciprocal Laws of Expectations: Negative expectations yield negative results. Positive expectations yield negative results.

Unknown, in Success and Failure

Nostalgia is the realization that things weren't as unbearable as they seemed at the time.

Unknown, in Happiness and Misery

Not everyone born in a stable thinks himself a horse.

Unknown, in Life and Death

Nothing is difficult to those who have the will.

Unknown, (motto of the Dutch Poet's Society), in Success and Failure

Official Project Stages: (1) Uncritical Acceptance. (2) Wild Enthusiasm. (3) Dejected Disillusionment. (4) Total Confusion. (5) Search for the Guilty. (6) Punishment of the Innocent. (7) Promotion of the Non-participants.

Unknown, in Success and Failure

Ogden's Law: The sooner you fall behind, the more time you have to catch up.

Unknown, in Work and Recreation

Oliver's Law: Experience is something you don't get until just after you need it.

Unknown, in Success and Failure

Once you've accumulated sufficient knowledge to get by, you're too old to remember it.

Unknown, in Wisdom and Ignorance

Once you've tried to change the world you find it's a whole bunch easier to change your mind.

Unknown, in Altruism and Cynicism and Success and Failure

One does not make friends, one recognizes them.

Unknown, in Love and Hate

One good reason why computers can do more work than people is that they never have to stop and answer the phone.

Unknown, in Work and Recreation

One man's ceiling is another man's floor.

Unknown, in Wisdom and Ignorance

One thing is one thing. Another thing is another thing.

Unknown, in Wisdom and Ignorance