'Teaching' in the Bible

(It is recorded in the book of Jashar for teaching to the sons of Judah) and he said:

Still, this [was] {insignificant} in your eyes, my lord Yahweh, and also you have spoken about the house of your servant from afar, and this [may be] the teaching of humans, my lord Yahweh.

Teaching my hands for battle, And brought down was a bow of brass by mine arms,