"24 This is the day which the LORD has made; Let us rejoice and be glad in it."
I can't tell you how much these seventeen words have meant to God's people. They have been sung, memorized, put on plaques and gravestones. Just the reminder that we walk around not in happenstance or accident, but in God's Creation is a sermon all in itself. That we are to rejoice and not mope our lives away is the fitting answer to the first part of the verse.