Do you know what a pessimist is? A man who thinks everybody is as nasty as himself, and hates them for it.
Do you think that God will punish them for not practicing a religion which he did not reveal to them?
Do's and don'ts influence wills and won'ts.
Doctors are men who pour drugs of which they know little, to cure diseases of which they know less, into human beings of whom they know nothing.
Doctors bury their mistakes. Lawyers hang them. But journalists put theirs on the front page.
Does wisdom perhaps appear on the earth as a raven which is inspired by the smell of carrion?
Dogs are our link to paradise. They don't know evil or jealousy or discontent. To sit with a dog on a hillside on a glorious afternoon is to be back in Eden, where doing nothing was not boring — it was peace.
Dogs look up to us. Cats look down on us. Pigs treat us as equals.
Don't accept your dog's admiration as conclusive evidence that you are wonderful.
Don't be afraid of death so much as an inadequate life.
Don't be afraid of tomorrow, for God has already been there.
Don't be afraid to learn. Knowledge is weightless, a treasure you can always carry easily.
Don't be angry at a friend who told your secret, for neither could you keep it to yourself.
Don't be irreplaceable - if you can't be replaced, you won't be promoted.
Don't believe them who say that they will follow you like your shadow; because shadows disappear in darkness.
Don't borrow sorrow from tomorrow!
Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself.
Don't buy problems, they're giving them away for free.
Don't confuse fame with success. Madonna is one; Helen Keller is the other.
Don't confuse what you got a right to do with what's right to do.
Don't count your chickens until they've hatched.
Don't cry because it's over, smile because it happened.
Don't dig your grave with your own knife and fork.
Don't dwell on who let you down, cherish those who hold you up.
Don't express your ideas too clearly. Most people think little of what they understand, and venerate what they do not.
Don't find fault, find a remedy.
Don't gain the world and lose your soul, wisdom is better than silver and gold.
Don't grieve that your roses have thorns. Rejoice instead that your thorns have roses.
Don't gripe about your church; if it was perfect, you couldn't be a member.
Don't hold to anger, hurt or pain. They steal your energy and keep you from love.
Don't let anybody walk trough your mind with dirty feet.
Don't let time take control of your destiny. Let your destiny take control of your time.
Don't let what you cannot do interfere with what you can do.
Don't let your sorrow come higher than your knees.
Don't open a shop unless you know how to smile.
Don't part with your illusions. When they are gone you may still exist but you have ceased to live.
Don't place question mark in the place where God already place a full stop.
Don't send me flowers when I'm dead. If you like me, send them while I'm alive.
Don't take life too seriously, you'll never get out of it alive.
Don't talk to me about naval tradition. It's nothing but rum, sodomy and the lash.
Don't tell a man how to do a thing. Tell him what you want done, and he'll surprise you with his ingenuity.
Don't tell God how big your problems are... tell your problems how big your God is.
Don't tell me the sky's the limit when there are foosteps on the moon.
Don't try to have the last word. You might get it.
Don't use that foreign word "ideals." We have that excellent native word "lies."
Don't waste time trying to break a man's heart; be satisfied if you can just manage to chip it in a brand new place.
Don't worry about people stealing an idea. If it's original, you will have to ram it down their throats.