“Realise how much time there is, how long the day is.”
The line reframes a day as a substantial block of usable time, encouraging deliberate attention rather than the constant feeling that useful work must be rushed.
Source details
A Way of Life, section IV, printed page 12, London: Constable & Company Ltd. (1913), Project Gutenberg #73116. Osler says “Realise how much time there is, how long the day is” while discussing deliberate control of the mind, study and avoidance of hurry and worry; this collection does not convert the period medical rhetoric into current clinical or productivity guidance.