Lk 13:24

"Strive to enter through the narrow gate, for many, I say to you, will seek to enter and will not be able.

1 Cor 9:25

And everyone who competes for the prize is temperate in all things. Now they do it to obtain a perishable crown, but we for an imperishable crown.

Heb 12:4

You have not yet resisted to bloodshed, striving against sin.

James 4:7

Therefore submit to God. Resist the devil and he will flee from you.