user11958: A twofold question for the sake to become even one.
General theoretical, general practical and personal answers of reflection (and generously let others have part of it) are suitable. Or even incl. all the views on it, to give a broad spectrum to grasp.
(Liberation here means the highest goal a living being can archive: end of suffering and stress)

user471: Do you mean what you need to give up in order to become free from suffering?
Dhammapada 221 says:

Give up anger, abandon conceit, overcome all fetters. Ills of life
  (dukkha) do not befall one who does not cling to mind and body and is
  free from moral defilements.


user-1: All you have to give up are your preconceptions.  All you need to give is your trust in the process. 

11958: <p>A twofold question for the sake to become even one.</p>

<p>General theoretical, general practical and personal answers of reflection (and generously let others have part of it) are suitable. Or even incl. all the views on it, to give a broad spectrum to grasp.</p>

<p>(Liberation here means the highest goal a living being can archive: end of suffering and stress)</p>
 471: <p>Do you mean what you need to give up in order to become free from suffering?</p>

<p><a href="http://www.tipitaka.net/tipitaka/dhp/verseload.php?verse=221" rel="nofollow noreferrer">Dhammapada 221</a> says:</p>

<blockquote>
  <p>Give up anger, abandon conceit, overcome all fetters. Ills of life
  (dukkha) do not befall one who does not cling to mind and body and is
  free from moral defilements.</p>
</blockquote>
 -1: <p>All you have to give up are your preconceptions.  All you need to give is your trust in the process. </p>
