Ephesians 6:18

Always [ε ν π α ν τ ι κ α ι ρ ω]. Incorrect. It means on every occasion. Rev., at all seasons. Compare Luke 21:36.

With all prayer and supplication [δ ι α π α σ η ς π ρ ο σ ε υ χ η ς κ α ι δ ε η σ ε ω ς]. Prayer is general, supplication special. Dia with is literally through; that is, through the medium of. All, lit., every. Prayer is of various kinds, formal, silent, vocal, secret, public, petitionary, ejaculatory - shot upward like a dart (jaculum) on a sudden emergency. Compare Psalms 5:1; Psalms 5:2.

Watching thereunto [ε ι ς α υ τ ο α γ ρ υ π ν ο υ ν τ ε ς]. Compare Colossians 4:2. For watching, see on Mark 13:33; Mark 13:35. Thereunto, unto prayer, for occasions of prayer, and to maintain the spirit of prayer. One must watch before prayer, in prayer, after prayer.

Perseverance [π ρ ο σ κ α ρ τ ε ρ η σ ε ι]. Only here. The kindred verb proskarterew to continue, occurs often. See on Acts 1:14.