1 Corinthians 1:18

For tho' the doctrine of the cross seems folly to those that perish: yet we that are to be saved, do feel its energy is divine.

1 Peter 1:6-7

This it is that fills you with joy, notwithstanding the various tryals, which still necessarily afflict you,

Treasury of Scripture Knowledge

Summary

And he cried unto the LORD; and the LORD shewed him a tree, which when he had cast into the waters, the waters were made sweet: there he made for them a statute and an ordinance, and there he proved them,

Proved

Bible References

A tree

1 Corinthians 1:18
For tho' the doctrine of the cross seems folly to those that perish: yet we that are to be saved, do feel its energy is divine.

Proved

1 Peter 1:6
This it is that fills you with joy, notwithstanding the various tryals, which still necessarily afflict you,