Q1152A man who dares to waste one hour of time has not discovered the value of life.
From a letter the young Darwin wrote to his sister Susan in 1836, near the end of the Beagle voyage, later published in The Life and Letters of Charles Darwin (1887). He was quoting a rule he lived by ever after: despite chronic illness that limited him to a few working hours a day, those hours — kept sacred for decades — produced On the Origin of Species.







