A man’s power of concentration diminishes with age and distractions.

Evidence

My power of concentration was lessening. Noises irritated me and little things distracted me. — Hamlin Garland Munseys, A Daughter of the Middle Border, 1568

Categorization

• corroborated: 2 independent passages support this claim — Hamlin Garland Munseys, A Daughter of the Middle Border, 1568
• XREF: connects to: A person’s senile detachment can be hard rather than gentle. — Karl Ove Knausgaard, A Death in the Family, 2457

Broader Connections

• A person’s senile detachment can be hard rather than gentle. #complicates (0.35) — Karl Ove Knausgaard, A Death in the Family, 2457