Praying in the Spirit.
"Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints." Eph.6: 18
"And shall not God avenge his own elect, which cry day and night unto him, though he bear long with them ? I tell you that he will avenge them speedily. Nevertheless when the Son of man cometh, shall he find faith on the earth ?" Luk.18: 7.8
Filled with the Holy Spirit.
"And be not drunk with wine, wherein is excess; but be filled with the Spirit." Ephesians 5: 18
When it will be.
"And as he sat upon the mount of Olives, the disciples came unto him privately, saying, Tell us, when shall these things be ? and what shall be the sign of thy coming, and of the end of the world ?" Mt.24:3