The single greatest thing you can do to change your life today would be to start being grateful for what you have right now. And the more grateful you are, the more you get.
We are all in the gutter, but some of us are looking at the stars. We all have clouds above us but some see their silver linings. We all face difficulties but some of us are grateful that they aren't worse.
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.
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.
The debt immense of endless gratitude, So burthensome, still paying, still to owe; Forgetful what from him I still receivd, And understood not that a grateful mind By owing owes not, but still pays, at once Indebted and dischargd; what burden then?
When we were children we were grateful to those who filled our stockings at Christmas time. Why are we not grateful to God for filling our stockings with legs?