Albert Barnes Commentary Psalms 119:154

"Plead thou my cause, and redeem me: Quicken me according to thy word." — Psalms 119:154 (ASV)

Plead my cause ... - Undertake my cause, as an advocate does. See the notes at Psalms 35:1.

Quicken me ... - Give me life. See the notes at Psalms 119:25.