Is God sovereign despite the suffering of the innocent? The book of Job answers this, teaching us to trust in God even when we do not understand His ways.
What we do with our money matters. The world tempts us to use money for earthly benefits, but there is a way to leverage temporal gain for the eternal.
When it comes to our words, less is better than more. Sin likes to sneak into our lives through our lips, so a quality of the wise is to speak less often.