Uncertain Things

1 Timothy 6:17

Charge them that are rich in this world, that they be not highminded, nor trust in uncertain riches, but in the living God, who giveth us richly all things to enjoy;

1 Corinthians 14:8

For if the trumpet give an uncertain sound, who shall prepare himself to the battle?

Psalms 23:2

He maketh me to lie down in green pastures: he leadeth me beside the still waters.