Food for Thought

"Concentration is the secret of strength in politics, in war, in trade — in short, in all management of human affairs." — Ralph Waldo Emerson

Food for Thought

"Concentration is the secret of strength in politics, in war, in trade — in short, in all management of human affairs." — Ralph Waldo Emerson

PlaySudoku.us
Medium · Puzzle #166
✓ Completed! 👍
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00:00
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Scientific Mind

"Absence of evidence is not evidence of absence." — Carl Sagan

Scientific Mind

"Absence of evidence is not evidence of absence." — Carl Sagan