Real knowledge is to know the extent of one's ignorance.
We don't know one millionth of one percent about anything.
- Thomas Alva Edison
No matter what happens, somebody will find a way to take it too seriously.
- Dave Barry
An eye for eye […makes] the whole world blind.
However beautiful the strategy, you should occasionally look at the results.
- Winston Churchill
The impossible only takes a little longer.
There is no limit to what can be accomplished if it doesn't matter who gets the credit.
- Ralph Waldo Emerson
Those who have been intoxicated with power can never willingly abandon it.
- Edmund Burke
When men are most sure and most arrogant they are commonly most mistaken.
- David Hume
No man can be truly free whose liberty is dependent upon the thought, feeling, and action of others, and who has himself no means in his own hands for guarding, protecting, defending, and maintaining that liberty.
- Frederick Douglass
…there are more instances of the abridgement of the freedom…by gradual and silent encroachment of those in power than by violent and sudden usurpations.
- James Madison
The ultimate effect of shielding fools from their folly is to fill the world with fools.
- Herbert Spencer
A lie told often enough becomes the truth.
- Vladimir Lenin
Argue for your limitations and they'll be yours.
Don’t let what you cannot do interfere with what you can do.
- John Wooden
When you find that you are on the side of the majority, it's time to pause and reflect.
- Mark Twain
Opportunities multiply as they are seized.
- Sun Tzu
...learn from others' mistakes, you [won’t] live long enough to make them all yourself.
- Admiral Hyman Rickover
Always be ready to apply an intellectually honest cost/benefit evaluation.
For any important endeavor: Set specific goals and develop solutions that match; expect the unexpected; review progress periodically, change course if needed, and stop when the goal has been reached.
Democrats and Republicans both have all the answers; so we get at least twice as much government as we should.
Anything that seems too good to be true almost always is too good to be true.
Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.
- Carl Sagan