The most important lesson that I have learned is to trust God in every circumstance. Lots of times we go through different trials and following God's plan seems like it doesn't make any sense at all. God is always in control and he will never leave us.
“If our countries had war the one with the other, that was no cause that he should put us to death; with which they were out of heart that their cruel pretense failed them. For which God be forever-more praised.”
“The deeper the experience of an absence of meaning - in other words, of absurdity - the more energetically meaning is sought.”