When an old and distinguished person speaks to you, listen to him carefully and with respect - but do not believe him. Never put your trust into anything but your own intellect. Your elder, no matter whether he has gray hair or has lost his hair, no matter whether he is a Nobel laureate - may be wrong. The world progresses, year by year, century by century, as the members of the younger generation find out what was wrong among the things that their elders said. So you must always be skeptical - always think for yourself.

Only when I began studying chemical engineering at Oregon Agricultural College did I realize that I myself might discover something new about the nature of the…

What astonished me was the very low toxicity of a substance that has such very great physiological power. A little pinch, 5 mg, every day, is enough to keep a …

I have always wanted to know as much as possible about the world.

Neither acquiescence in skepticism nor acquiescence in dogma is what education should produce. What it should produce is a belief that knowledge is attainable …

'What is Bazarov?' Arkady smiled. 'Would you like me to tell you, uncle, what he really is?' 'Please do, nephew.' 'He is a nihilist!' 'What?' asked Nikolai Pet…

Liberal learning is both a safeguard against false ideas of freedom and a source of true ones.