The painter who draws by practise and judgment of the eye without the use of reason is like the mirror which reproduces within itself all the objects which are set opposite to it without knowledge of the same.
The cat is nature's masterpiece.
Whoever in debate quotes authority uses not intellect, but memory.
Experiment is the sole interpreter of the artifices of Nature.
First study the science, and then practice the art which is born of that science.
The smallest feline is a masterpiece.