That things are changed, and that nothing really perishes, and that the sum of matter remains exactly the same, is sufficiently certain.

If a man's wit be wandering, let him study the mathematics.

Knowledge is power.

Half of science is putting forth the right questions.

Velazquez found the perfect balance between the ideal illustration which he was required to produce, and the overwhelming emotion he aroused in the spectator.

Houses are built to live in, and not to look on: therefore let use be preferred before uniformity.

The speaking in a perpetual hyperbole is comely in nothing but love.