Blessed is the man that trusteth in the LORD, and whose hope the LORD is.
For he shall be as a tree planted by the waters, and that spreadeth out her roots by the river, and shall not see when heat cometh, but her leaf shall be green; and shall not be careful in the year of drought, neither shall cease from yielding fruit.
The heart is deceitful above all things, and desperately wicked: who can know it?
I the LORD search the heart, I try the reins, even to give every man according to his ways, and according to the fruit of his doings.
Jeremiah 17:7-10