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Books open your mind,broaden your mind,and strengthen you as nothing else can.-William Feather
Showing posts with label problem. Show all posts
Showing posts with label problem. Show all posts
"Each problem that I solved became a rule which served afterwards to solve other problems."

"Each problem that I solved became a rule which served afterwards to solve other problems."

"Each problem that I solved became a rule which served afterwards to solve other problems." - Renè Descartes