The unprepared mind cannot see the outstretched hand of opportunity
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.
Love follows knowledge
A scientific man ought to have no wishes, no affections, - a mere heart of stone
Only put off until tomorrow what you are willing to die having left undone
To live is the rarest thing in the world. Most people exist, that is all
Do not trust the character of one who cannot control his temper
A Penny Saved is a Penny Earned
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