Human beings are gullible. They wake up thinking today is going to be different from yesterday.
They don't realise each days is the same. It brings in new hopes, new plans, new enthusiasm. But ends on the same note — of dejection, of exhaustion, of being defeated.
You still gearing up for a new day with a hope for a better tomorrow, a tomorrow that is again going to be just the same. Perhaps, they are brought up this way.