The fundamentals of happiness Verses upon which to reflect

And never give up hope of Allah’s Mercy. Certainly no one despairs of Allah’s Mercy, except the people who disbelieve. (Qur’an 12: 87)

And who despairs of the Mercy of his Lord except those who are astray? (Qur’an 15: 56) 

Surely, Allah’s Mercy is [ever] near unto the good-doers.  (Qur’an 7: 56)

You know not, it may be that Allah will afterward bring some new thing to pass. 
(Qur’an 65: 1) 

1t may be that you dislike a thing which is good for you and that you like a thing which is bad for you. Allah knows but you do not know.  (Qur’an 2: 216)

‘Allah is vein Gracious and Kind to His slaves. (Qur’an 42: 19)

..and My Mercy embraces all things.  (Qur’an 7: 156)

 Be not sad [or afraid], surely Allah is with us. ‘}   (Qur’an 9: 4) 

[Remember] when you sought help of your Lord and He answered you.   (Qur’an 8: 9)

And He it is who sends down the rain after they have despaired, and spreads abroad His Mercy.  (Qur ‘an 42: 28)

And they used to call on us with hope and feat, and used to humble themselves before us. (Qur’an 21: 9O)