1 Corinthians 1:18

For the word of the cross is to the lost foolishness, but to the saved the power of God.

1 Peter 1:6-7

In which you rejoice, though now for a little while if need be made sad by manifold trials,

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 the word of the cross is to the lost foolishness, but to the saved the power of God.

Proved

1 Peter 1:6
In which you rejoice, though now for a little while if need be made sad by manifold trials,