Nature makes penicillin; I just found it
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 fly does not enter the mouth that is shut.
You have to do your own growing no matter how tall your grandfather was
The biggest shame is, to mock at something that you have in yourself.
The elements which are the most widely diffused have small atomic weights
Learn from the mistakes of others. You can never live long enough to make them all yourself
Radium is not to enrich any one. It is an element; it is for all people
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