Thus, Buddhism believes all phenomena which arise and cease due to causes and conditions are like a dream, like magic, like a water bubble, like shadow. They are all unreal and illusory.

However, from the standpoint of relative truth, if we want to survive and live a normal life, we need the illusion. If this illusion is shattered, the basis of our survival and our beliefs will collapse.

~ Depicted from ARE U READY FOR HAPPINESS : The Significance of Buddhist Philosophy Today