All great success and achievement is preceded and accompanied by hard, hard, work. When in doubt, 'try harder.' And if that doesn't work, try harder still!
He uttered a coarse expression which I wouldn't have thought he would have known. It just shows that you can bury yourself in the country and still somehow acquire a vocabulary. No doubt one picks up things from the neighbours - the vicar, the local doctor, the man who brings the milk, and so on.
P. G. Wodehouse
My philosophy is very simple: when in doubt, take a bath.
Sarah Ban Breathnach
I was not a good doctor, my studies had been too rapid, my hospital training too short, but there is not the slightest doubt that I was a successful doctor. What is the secret of success? To inspire confidence. What is confidence? ... I do not know, I only know that it cannot be acquired by book reading, nor by the bedside of our patients. It is a magic gift granted by birth-right to one man and denied to another. The doctor who possesses this gift can almost raise the dead
Love is, without a doubt, the basis of everything.
Believe with all your heart that you will do what you were made to do. Never for an instant harbor a doubt of it.
Orison Swett Marden
But now I am cabined, cribbed, confined, bound in To saucy doubts and fears.
'This is America,' my father used to say to me, 'and in this country, a smart young fellow like you can grow up and do just about anything.' My dad, no doubt, was thinking doctor, lawyer, teacher, scientist or businessman. I was thinking second baseman, New York Yankees.
Man, I'm sick of doubt.
I was in the death struggle with self: God and Satan fought for my soul those three long hours. God conquered - now I have only one doubt left - which of the twain was God?