“Concentration is an art of slow acquisition”
Concentration is treated as a capacity built gradually through repeated practice, making sustained attention a training process rather than an instant demand for maximum efficiency.
Source details
A Way of Life, section IV, printed page 14, London: Constable & Company Ltd. (1913), Project Gutenberg #73116. “Concentration is an art of slow acquisition” follows Osler’s advice about steady daily dedication and hour-tight focus. It remains historical educational/professional counsel rather than a quantified modern efficiency rule.