A quick glance through the psalm is enough to find all the words that conjure up hope, optimism, happiness and strength. Begin with the first posuk and go through the chapter: light, aid, stronghold, not fear, confident, desire, dwell in the house of the Lord, pleasantness, shelter, safe, high, sing, chant, gracious, seek you My presence, help, care, teach, guide, land of the living, hope, strong, brave.