The discovery of truth is prevented more effectively, not by the false appearance things present and which mislead into error, not directly by weakness of the reasoning powers, but by preconceived opinion, by prejudice.
The secret of concentration is the secret of self-discovery. You reach inside yourself to discover your personal resources, and what it takes to match them to the challenge.
Nature makes penicillin; I just found it.
The discovery of penicillin was a triumph of accident, a fortunate occurrence that happened while I was working on a purely academic bacteriological problem.
I certainly didn’t plan to revolutionize all medicine by discovering the world’s first antibiotic, or bacteria killer. But I suppose that was exactly what I did.
For the birth of something new, there has to be a happening. Newton saw an apple fall; James Watt watched a kettle boil; Roentgen fogged some photographic plates. And these people knew enough to translate ordinary happenings into something new…
To travel is to discover that everyone is wrong about other countries.
An intellectual is a person who has discovered something more interesting than sex.
From the very beginning of his education, the child should experience the joy of discovery.
Great discoveries and improvements invariably involve the cooperation of many minds.