One sometimes finds what one is not looking for
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.
One who makes himself a worm cannot complain afterwards if people step on him
The friendship that can cease has never been real
You talk when you cease to be at peace with your thoughts
If you don’t know a thing never hesitate or feel ashamed to learn it.
Socialism is a fraud, a comedy, a phantom, a blackmail
To improve is to change, so to be perfect is to change often
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