Do not become archivists of facts. Try to penetrate to the secret of their occurrence, persistently search for the laws which govern them.
Ivan PavlovPossibilities are like the wings of birds; they allow man to soar and to climb to the heavens. And facts are like the atmosphere against which those wings must beat, and without which the soaring bird will surely plummet back to earth.
Ivan PavlovGradualness, gradualness, and gradualness. From the very beginning of your work, school yourself to severe gradualness in the accumulation of knowledge.
Ivan Pavlov