# A Man Who Dares to Waste One Hour of Time Has Not Discovered the Value of Life by Charles Darwin > "A man who dares to waste one hour of time has not discovered the value of life." > **— Charles Darwin**, *1836, Letter to Susan Darwin* ## Sources and Context - **Direct or authoritative source:** [Letter to Susan Darwin](https://darwin-editorial.darwinproject.ac.uk/view/letters/DCP-LETT-306) — the linked page contains the quoted wording and supports the recorded attribution and occasion. ## Related Articles and Collections - **Collection:** [[collections/Simple Reminders|Simple Reminders]] - **Collection:** [[collections/Whole Earth|Whole Earth]] - **Article:** [[articles/The End Is Near — AI Doom, Anti-Science Panic, and the Primates Who Sell Technological Exile|The End Is Near — AI Doom, Anti-Science Panic, and the Primates Who Sell Technological Exile]] - **Article:** [[articles/The Greatest Transformation in Human History|The Greatest Transformation in Human History]] - **Article:** [[articles/Digital Darwinism and the Invisible World of Machine Evolution|Digital Darwinism and the Invisible World of Machine Evolution]] ## Related Topics - [[wiki/Charles Darwin|Charles Darwin]] ## Share on Social Media ``` "A man who dares to waste one hour of time has not discovered the value of life." — Charles Darwin, 1836, Letter to Susan Darwin https://bryantmcgill.com/simple-reminders-charles-darwin-man-dares-waste-hour-time ```