I think, therefore I doubt.
Police chiefs don't think a cat can possibly turn into a lion; and yet, it happens.
Catastrophes have a somber way of arranging things.
Concision in style, precision in thought, decision in life.
He seemed to say to Fate: You wouldn't dare.
This is the shade of meaning: the door of a physician should never be closed; the door of a priest should always be open.