Exceptions prove the rule， and wreck the budget.
Excuses are like bodies； everybody has one！
Experience is directly proportional to the amount of equipment ruined.
Experience is something you do not get until just after you need it.
Experience is what causes a person to make new mistakes instead of old ones.
Experience is what you get when you were expecting something else.
Experiment and theory often show remarkable agreement when performed in the same laboratory.
Experiments should be reproducible. They should all fail in the same way.
Fact without theory is trivia； theory without fact is garbage.
Familiarity breeds attempt.
Familiarity breeds children.
Far-away talent always seems better than home-developed talent.
Fill what is empty； empty what is full； scratch where it itches.
For every “10” there are 10 “1's”。
For every action， there is a corresponding over-reaction.
For every action， there is an equal and opposite criticism.
For every action， there is an equal and opposite government program.
For every credibility gap there is a gullibility fill.
For every idiot proof system devised， a new， improved idiot will arise to overcome it.
For every problem， there is a neat， plain solution……and it is always wrong.
For every vision， there is an equal and opposite revision.
Four-wheel-drive just means getting stuck in more inaccessible places.
Free advice costs nothing until you act upon it.
Free time which unexpectedly becomes available will be wasted.
Freud's 23rd law： ideas endure and prosper in inverse proportion to their soundness and validity.
Friends come and go， but enemies accumulate.
Frustration is not having anyone to blame but yourself.
Genius is 1% inspiration， and 99% perspiration.
Geologists do not dress for success unless they are trying to convince others that they are going on interviews.
Given a bad start， trouble will increase at an exponential rate.
Glory may be fleeting， but obscurity is forever.
Go where the money is.
Good advice is something a man gives when he is too old to set a bad example.
Good judgement comes from experience. Experience comes from bad judgement.
Good listeners are not only popular everywhere， but after awhile they know something.
Government expands to absorb revenue and then some.
Great minds run in great circles.
Half of being smart is knowing what you are dumb at.
Happiness is merely the remission of pain.
Hard work has a future payoff. Laziness pays off now.
Hard work never killed anybody， but why take a chance？
Has anyone ever heard of a self-made failure？
Have you flogged your crew today？
He who beats his sword into a plowshare usually ends up plowing for those who kept their swords.
He who dies with the most toys is still dead.
He who dies with the most toys， wins.
He who hesitates is not only lost， but miles from the next exit.
He who hesitates is probably right.
He who pulls the oars does not have time to rock the boat.
He who shouts the loudest has the floor.
He who walks in another's tracks leaves no footprints.
Hindsight is an exact science.
History is the science of what never happens twice.
History repeats itself. That is one of the things wrong with history.
I disapprove of every conspiracy of which I am not a part.
I have never found， in long experience， that criticism is ever inhibited by ignorance.
I have run out of sick leave， so I'm calling in dead.
I have seen the truth and it makes no sense.
I have yet to see any problem， however complicated， which when you looked at it in the right way， did not become still more complicated.