Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind

Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.

You do ill if you praise, but worse if you censure, what you do not understand

    Clarence Darrow
The first half of our lives is ruined by our parents, and the second half by our children.

If you lose the power to laugh, you lose the power to think.

True patriotism hates injustice in its own land more than anywhere else.

I do not consider it an insult, but rather a compliment to be called an agnostic. I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.

    Charles A. Dana
Fight for your opinions, but do not believe that they contain the whole truth or the only truth.

    Elmer Davis
This will remain the land of the free only so long as it is the home of the brave.

    James Dean
Dream as if you'll live forever. Live as if you'll die today.

    George-Louis De Buffon
Genius is nothing but a great aptitude for patience.

    Charles DeGaulle
Nothing great will ever be achieved without great men, and men are great only if they are determined to be so.

    W. Edwards Deming
It is not necessary to change. Survival is not mandatory.

    Rene Descartes
I think, therefore I am.

Your joy is your sorrow unmasked. And the self-same well from which your laughter rises was often-times filled with your tears

Each problem that I solved became a rule which served afterwards to solve other problems.

    JJ Devine
All you touch, and all you see, is all your life will ever be.

    Raymond F. DeVoe Jr.
Economics is war pursued by other means.

    Sir James Dewar, Scientist (1877-1925)
Minds are like parachutes. They only function when they are open.

    Walt Disney
It's kind of fun to do the impossible.

Get a good idea and stay with it. Dog it, and work at it until it's done right.

    Disraeli
As a rule, he or she who has the most information will have the greatest success in life.

    Sir Arthur Conan Doyle
Mediocrity knows nothing higher than itself, but talent instantly recognizes genius.

Sherlock Holmes - Once you have eliminated the impossible, whatever remains, however improbable, must be the truth.

    Steve Droke
Knowledge is power and enthusiasm pulls the switch.

    Peter Drucker
Whenever you see a successful business, someone once made a courageous decision.

Time is the scarcest resource and unless it is managed nothing else can be managed.

    W.E.B. DuBois
A little less complaint and whining, and a little more dogged work and manly striving, would do us more credit than a thousand civil rights bills.

    Will Durant
Education is a progressive discovery of our own ignorance.

    Wayne Dyer
Infinite patience brings immediate results.