The affections are the children of ignorance; when the horizon of our experience expands, and models multiply, love and admiration imperceptibly vanish.
The palace is not safe when the cottage is not happy.
The pursuit of science leads only to the insoluble.
Great men should think of opportunity and not of time. That is the excuse of feeble and puzzled spirits.
I believe absence is a great element of charm.
Scientific, like spiritual truth, has ever from the beginning been descending from heaven to man.