The reasonable man adapts himself to the world the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. George Bernard Shaw
Is there any knowledge in the world which is so certain that no reasonable man could doubt it? Bertrand Russell
It is hard to fight desire; but to control it is the sign of a reasonable man. Democritus
Time, which wears down and diminishes all things, augments and increases good deeds, because a good turn liberally offered to a reasonable man grows continually through noble thought and memory. François Rabelais
While there is a chance of the world getting through its troubles, I hold that a reasonable man has to behave as though he were sure of it. If at the end your cheerfulness in not justified, at any rate you will have been cheerful. H. G. Wells
Nothing is ever accomplished by a reasonable man. George Bernard Shaw