Ephesians 6:18 (NRSV)
Pray in the Spirit at all times in every prayer and supplication. To that end keep alert and always persevere in supplication for all the saints.
James 5:13-14 (NRSV)
Are any among you suffering? They should pray. Are any cheerful? They should sing songs of praise. Are any among you sick? They should call for the elders of the church and have them pray over them, anointing them with oil in the name of the Lord.
Romans 12:12 (NRSV)
Rejoice in hope, be patient in suffering, persevere in prayer.