Five Hundred Random Thoughts

As scientific inquiry discovers new realms of the material world, such as quantum physics and theories of relativity, what seemed certain before becomes open to question. We realize illusion after illusion: Newtonian physics, the solidarity of objects. As we continue to push the boundaries of scientific discovery, and retire yesterday's facts and amend former certainties, what is there that is reliably true? What, if anything, remains - concepts, knowledge, revelations, morals, beauty - that is steadfastly valid and dependable, independent of ongoing scientific discoveries?