Dukkham-eva hi na koci dukkhito,
Karako na, kiriya va vijjati,
Atthi nibuti, na nibbuto puma,
Maggam-atthi, gamako na vijjati.
"Mere suffering is, not any sufferer is found
The deeds exist, but no performer of the deeds:
Nibbana is, but not the man that enters it,
The path is, but no wanderer is to be seen."
Kammassa Karako natthi,
Vipakassa ca vedako,
Suddhadhamma pavattanti,
Ev 'etam sammadassanam.
No doer of the deeds is found,
No one who ever reaps their fruits,
Empty phenomena roll on,
This view alone is right and true.
Na hettha devo brahma va,
Samsarass-atthi karako,
Suddhadhamma pavattanti,
Hetusambharapaccaya ti.
No god, no Brahma, may be called,
The maker of this wheel of life,
Empty phenomena roll on,
Dependent on conditions all." Visuddhimagga XIX.
-------------------------------

Excerpts from http://www.angelfire.com/indie/anna_jones1/fundamental.html

In the ultimate sense, there do not even exist such things as
mental states, i.e. stationary things. Feeling, perception,
consciousness, etc., are in reality mere passing processes of feeling,
perceiving, becoming conscious, etc., within which and outside of
which no separate or permanent entity lies hidden.

Thus a real understanding of the Buddha's doctrine of kamma and
rebirth is possible only to one who has caught a glimpse of the
egoless nature, or //anattata//, and of the conditionality, or
//idappaccayata//, of all phenomena of existence. Therefore it is said
in the //Visuddhimagga// (Chap. XIX):

Everywhere, in all the realms of existence, the noble disciple
sees only mental and corporeal phenomena kept going through the
concatenation of causes and effects. No producer of the
volitional act or kamma does he see apart from the kamma, no
recipient of the kamma-result apart from the result. And he is
well aware that wise men are using merely conventional language,
when, with regard to a kammical act, they speak of a doer, or
with regard to a kamma-result, they speak of the recipient of the
result.

No doer of the deeds is found,
No one who ever reaps their fruits;
Empty phenomena roll on:
This only is the correct view.

And while the deeds and their results
Roll on and on, conditioned all,
There is no first beginning found,
Just as it is with seed and tree. ...

No god, no Brahma, can be called
The maker of this wheel of life:
Empty phenomena roll on,
Dependent on conditions all.
In the //Milindapanha// the King asks Nagasena:
"What is it, Venerable Sir, that will be reborn?"
"A psycho-physical combination (//nama-rupa//), O King."
"But how, Venerable Sir? Is it the same psycho-physical
combination as this present one?"
"No, O King. But the present psycho-physical combination produces
kammically wholesome and unwholesome volitional activities, and
through such kamma a new psycho-physical combination will be
born."
-------------------- Also see http://awakeningtoreality.blogspot.com/2008/01/what-is-self.html