Matthew 23:37

O Jerusalem, Jerusalem, who killest the prophets, and stonest them that are sent unto thee, how often would I have gathered thy children together, even as a hen gathereth her chickens under her wings, but ye would not!

Mark 13:31

heaven and earth shall fail, but my words shall never fail.

Titus 1:2

and gives the expectation of eternal life, which the God of veracity promised so many ages ago;

Hebrews 6:17-18

wherefore God was willing to give the heirs of promise a stronger proof of the immutability of his counsel, by the intervention of an oath:

Treasury of Scripture Knowledge

Summary

He shall cover thee with his feathers, and under his wings shalt thou trust: his truth shall be thy shield and buckler.

Bible References

His truth

Mark 13:31
heaven and earth shall fail, but my words shall never fail.
Titus 1:2
and gives the expectation of eternal life, which the God of veracity promised so many ages ago;
Hebrews 6:17
wherefore God was willing to give the heirs of promise a stronger proof of the immutability of his counsel, by the intervention of an oath: