“Be true to the thought of the moment and avoid distraction. Other than continuing to exert yourself, enter into nothing else, but go to the extent of living single thought by single thought.”

“‘It is necessary to add,’... ‘that true Islam cannot thrive without freedom of thought in every single matter, in every single doctrine, in every single dogma.’”

“To think is to confine yourself to a single thought that one day stands still like a star in the world's sky.”

“Those who live by the sea can hardly form a single thought of which the sea would not be part.”

“Adding a column of figures is a repetitive thought process, and it was long ago properly relegated to the machine. True, the machine is sometimes controlled by the keyboard, and thought of a sort enters in reading the figures and poking the corresponding keys, but even this is avoidable.”

“The truth is that, no matter what kind of game you find yourself in, no matter how good or bad the luck, you can change your life completely with a single thought or a single act of love”

“a single word even may be a spark of inextinguishable thought”

“True readers … are ready to go through a whole volume, if there be but hope of finding in it a single genuine thought or the mere suggestion even of a truth which has some fresh application to life.”

“Two minds with but a single thought, two hearts that beat as one.”

“Two souls with but a single thought,
Two hearts that beat as one!”