All sorts of bodily diseases are produced by half-used minds. – George Bernard Shaw

Some minds seem almost to create themselves, springing up under every disadvantage and working their solitary but irresistible way through a thousand obstacles. – Washington Irving, The Sketch Book, 1820

Mind is blocking the fountain of intelligence like a rock. – Bhagwan Shree Rajneesh

It’s hard to make up your bed while you’re still sleeping in it. Hard to make up your mind for the same reason. – Robert Brault, rbrault.blogspot.com