You have a point there. A dream (ambition/desire - to some) is like fire burning inside day and night. But when a dream arises from สัมมาทิฎฐิ, สัมมาสังกัปป,... the 10 'rights', it leads to 'นิพพาน' (free from dukkha).
Some say 'Gold shines after fires' ;-)