Jesus, the only begotten Son of God says: “The time is fulfilled, and the Kingdom of God is at hand: repent ye, and believe the gospel” (Mark 1:15).
“And that, knowing the time, that now it is high time to awake out of sleep: for now is our salvation nearer than when we believed. The night is far spent, the day is at hand: let us therefore cast off the works of darkness, and let us put on the armour of light” (Romans 13:11-12).
“Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God. But exhort one another daily, while it is called To day; lest any of you be hardened through the deceitfulness of sin. For we are made partakers of Christ, if we hold the beginning of our confidence stedfast unto the end” (Hebrews 3:12-14).