6 Bible Verses about toughness

and what the transcendent greatness of his power in us, who believe, according to the energy of his mighty strength

Thou therefore endure hardships, as a brave soldier of Jesus Christ.

He saith unto them, It was on account of the hardness of your hearts that Moses gave you permission to put away your wives: but from the beginning it was not thus.

Nor do they put new wine into old bottles: but if they do, the bottles burst, and the wine is spilt, and the bottles are destroyed: but they put new wine into new bottles, and both are preserved.

And no man putteth new wine into old bottles; but if otherwise, the new wine will burst the bottles, and the wine will be spilt, and the bottles destroyed: but new wine must be put into new bottles.

And they were all filled with the Holy Ghost, and they began to speak with other tongues, as the Spirit gave them power to express themselves.