Without strong affection, and humanity of heart, and gratitude to that Being whose code is mercy, and whose great attribute is benevolence to all things that breathe, true happiness can never be attained.
Here's the gift of gratitude: In order to feel it, your ego has to take a backseat. What shows up in its place is greater compassion and understanding. Instead of being frustrated, you choose appreciation. And the more grateful you become, the more you have to be grateful for.
The life of a sannyasin should be a life of no expectations. And then every moment is such a bliss, such a benediction, because whatsoever God gives is so much. Then you always feel grateful. But your desires are so much that whatsoever God gives always looks so little; and you feel frustrated, and you feel complaints, and you cannot feel grateful. And without gratitude, there is no possibility of prayer arising in your heart. Gratitude is prayer.
What seems to us as bitter trials are often blessings in disguise for which we are later, in the fullness of time and understanding, very grateful for!
And I have by me, for my comfort, two strange white flowers - shriveled now, and brown and flat and brittle - to witness that even when mind and strength had gone, gratitude and a mutual tenderness still lived on in the heart of men.
The world breaks everyone or nearly everyone, of their childish illusions, assumptions and wishes, often painfully and afterwards due to the personal growth in practical experience, insight and the resulting wisdom many are strong at the broken places just like mended broken bones often are, and some people even have the great insight to be grateful for the purifying fire.
In the deepest night of trouble and sorrow God gives us so much to be thankful for that we need never cease our singing. With all our wisdom and foresight we can take a lesson in gladness and gratitude from the happy bird that sings all night, as if the day were not long enough to tell its joy.
In order to be happy we must first possess inner contentment; and inner contentment doesn't come from having all we want; but rather from wanting and appreciating being grateful for all we have.