Philippians 3:13-14

For I, Brothers, do not regard myself as having yet laid hold of it. But this one thing I do--forgetting what lies behind, and straining every nerve for that which lies in front,

Hebrews 10:38

And through faith the Righteous man shall find his Life, But, if a man draws back, my heart can find no pleasure in him.'

2 Peter 2:20-21

If, after having escaped the polluting influences of the world, through knowing our Lord and Savior, Jesus Christ, men are again entangled in them, and give way to them, their last state has become worse than their first.

Treasury of Scripture Knowledge

Summary

But when the people of the land shall come before the LORD in the solemn feasts, he that entereth in by the way of the north gate to worship shall go out by the way of the south gate; and he that entereth by the way of the south gate shall go forth by the way of the north gate: he shall not return by the way of the gate whereby he came in, but shall go forth over against it.

Bible References

He that entereth in

Philippians 3:13
For I, Brothers, do not regard myself as having yet laid hold of it. But this one thing I do--forgetting what lies behind, and straining every nerve for that which lies in front,
Hebrews 10:38
And through faith the Righteous man shall find his Life, But, if a man draws back, my heart can find no pleasure in him.'
2 Peter 2:20
If, after having escaped the polluting influences of the world, through knowing our Lord and Savior, Jesus Christ, men are again entangled in them, and give way to them, their last state has become worse than their first.