Happiness, like unhappiness, is a proactive choice.
What you do has far greater impact than what you say.
Visualising something organises one's ability to accomplish it.
We can never really change someone; people must change themselves.
Putting first things first means organizing and executing around your most important priorities. It is living and being driven by the principles you value most, not by the agendas and forces surrounding you.
Whenever you experience stress of any kind, look into yourself and ask, In what way am I compromising my innermost values in this situation?