Penicillin sat on a shelf for ten years while I was called a quack
Scottish biologist, physician, microbiologist, and pharmacologist. His best-known discoveries are the enzyme lysozyme in 1923 and the world's first antibiotic substance benzylpenicillin (Penicillin G) from the mould Penicillium notatum in 1928.
The important thing is to not stop questioning. Curiosity has its own reason for existing
A thousand half-loves must be forsaken to take one whole heart home
Gravity explains the motions of the planets, but it cannot explain who sets the planets in motion
A wrong concept misleads the understanding; a wrong deed degrades the whole man, and may eventually demolish the structure of the human ego
Never look a gift horse in the mouth
Be alone, that is the secret of invention; be alone, that is when ideas are born
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