
I never did anything worthwile by chance. My inventions were never created by change. I worked for them.
Thomas Alva Edison
feb
23
2019

I never did anything worthwile by chance. My inventions were never created by change. I worked for them.
Thomas Alva Edison
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Het is niet dat ik zo slim ben; ik blijf alleen langer met vraagstukken bezig. Albert Einstein
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