Where is Happiness?

Who can get 
“Peace of Mind”--“Happiness”--“tranquility“ ?
---------------------------------------------------------------------------------------
Best Answer from Gita (2-71)
Original text is in Sanskrit Language which can be read as follow
----------------------------------------------------------------------------------------
Vihaya Kaman yah sarvaan puman ma charti nispruh
nirmamo nirahankarah sa santim adhigacchati---------- 2-71
----------------------------------------------------------------------------------------
Meaning
-------------------------------------------------------------------------------------------------
Person who gave up all DESIRE and live(life) --Without ATTACHMENT
Without EGO --Without CONCEPT OF MINE---Attain PEACE 
-------------------------------------------------------------------------------------------------
Word by Word Meaning
---------------------------------
Person(Puman)
Who(yah)
Gave up(vihaya)
All(sarvaan)
Desire(kaamaan)
And
Live (life) (charati)
Without attachment(nispruha)
Without ego(nirahankaar)
Without concept of “mine“ (nirmamo)
Attain(adhigacchati)
Peace(santim)
-----------------------------------------------------------------------------------
------------------------------------------------------------------------------------
Now
Who can get -“Supreme Peace of Mind”-“Supreme Happiness” -“Supreme tranquility“ ?
------------------------------------------------------------------------------------------------------------------------
Best Answer from Gita(4-39)
Original text is in Sanskrit Language which can be read as follow

shraddhaval labhate jnanam tat-parah samyatendriyah
jnanam labdhva param shantim acirenadhigacchati ---------- 4-39

Meaning

One with-- full faith(toward truth)--attentively focused(toward truth)--
And--who has conquered senses--achieves--KNOWLEDGE(OF TRUTH)--
And having achieve this--immediately attain SUPREME PEACE.
-----------------------------------------------------------------------------------------------------------------------
Word by word meaning

One with 
full faith(shraddhaval)
attentively focused(tat-parah )
And
who has conquered senses(samyatendriyah)
Achieves(labhate)
KNOWLEDGE(jnanam)
And 
having achieve this(labdhva)
immediately attain (acirenadhigacchati)
SUPREME PEACE.(param shanti)