Example Sentences:

Ramayana: Though Jatayu showed no signs of infirmity because of his old age, he still didn’t have the agility of youth that Ravana had — and that difference proved decisive.

Mahabharata:  Although Dhritarashtra exhibited infirmity because of his advanced age, his attachments still held him firmly.

Bhagavad-gita:  The Gita urges us to see the infirmity of old age as one of the primary and inescapable miseries of material existence.