A man has always to be busy with his thoughts if anything is to be accomplished.
More Quotes from Antonie van Leeuwenhoek:
My work, which I've done for a long time, was not pursued in order to gain the praise I now enjoy, but chiefly from a craving after knowledge, which I notice resides in me more than in most other men.Antonie van Leeuwenhoek
Whenever I found out anything remarkable, I have thought it my duty to put down my discovery on paper, so that all ingenious people might be informed thereof.
Antonie van Leeuwenhoek
I've spent more time than many will believe making microscopic observations, but I've done them with joy, and I've taken no notice those who have said why take so much trouble and what good is it.
Antonie van Leeuwenhoek
In the year of 1657 I discovered very small living creatures in rain water.
Antonie van Leeuwenhoek
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Children want to do what grownups do.
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It was all a back-handed blessing, and my friends were the ones who kept the faith, read my work, and urged me to submit it to publishers (by sending it out for me - they would not hear no for an answer.
Leslie Banks