Those who become enamoured of the art, without having previously applied to the diligent study of the scientific part of it, may be compared to mariners who put to the sea in a ship without rudder or compass and therefore cannot be certain of arriving at the wished for port.

There is nothing like geology; the pleasure of the first day's partridge shooting or first day's hunting cannot be compared to finding a fine group of fossil bones, which tell their story of former times with almost a living tongue.

Science is the captain, and practice the soldiers.

Motion is created by the destruction of balance.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

The supreme misfortune is when theory outstrips performance.