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If we focus our attention on the next twenty-five years we may say that development is likely to reach some point intermediate between the first bomb detonated over Hiroshima and processes which once initiated might put an end to all life on earth. Just what intermediate point will be reached within twenty-five years no one can tell.

— Leó Szilárd

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More quotes by Leó Szilárd

A man's clarity of judgment is never very good when you're involved, and as you grow older, and as you grow more involved, your clarity of judgment suffers.

It is not necessary to succeed in order to persevere. As long as there is a margin of hope, however narrow, we have no choice but to base all our actions on that margin.

In life you must often choose between getting a job done or getting credit for it.

Science is progressing at such a rapid rate that when you make a prediction and think you are ahead of your time by 100 years you may be ahead of your time by 10 at most.

A scientist's aim in a discussion with his colleagues is not to persuade, but to clarify.

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Quote text and notes from Wikiquote: Leó Szilárd (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.