On Pain by Khalil Gibran

A few lines from the poem On Pain by Khalil Gibran draw my attention:

Much of your pain is self-chosen.
It is the bitter potion by which the physician within you heals your sick self.
Therefore trust the physician, and drink his remedy in silence and tranquility.

One can find the entire poem at Poem Hunter.

I search for an appropriate video on YouTube, so here it is: