Most of the time, in life, we put in a lot of effort and focus on something, and then, are shattered by the results. Why?? Expectations!!!
I did a lot of research on this, experimented on myself and finally got time to publish this.
Imagine doing something without relishing the joy of doing it, but being very keen on the outcome. This is where things fail and we are burdened by the Karma or task while expecting a lot from the outcome.
You have the rights only to the task at hand, and not the results, says the Bhagavad-Gita:
कर्मण्येवाधिकारस्ते मा फलेषु कदाचन।
मा कर्मफलहेतुर्भूर्मा ते सङ्गोऽस्त्वकर्मणि॥ २-४७
karmaNyevAdhikAraste mA phalEShu kadAchana
mA karmaphala heturbhUh mA te sangostvakarmaNi
karmanyevadhikaraste means: you only have adhikar or right to the karm or task
mA Phaleshu Kadachana means: You do not have the right to the phala or result
There is a double stress on the "never" in this strong sentence.
mA here means Not and Kadachana means never ever
So overall you DO NOT have the right to the phala or fruit
mA karmaphala heturbhUh means: Nor should your motive be the Karmaphala or the fruit of your action
mA te sangostvakarmaNi means: Neither should you get attached to akarma or inaction
Its like you tell me "not to get attached to the fruit, so I will not be doing my Karma" - that's still worse. You must never get attached to inaction saying "why should I do something when I don't own the Karmaphala?"
You ask, where is the motivation?
In simple words, you must be motivated by the goal, not the outcome. Goal and outcome are completely different entities. It is well understood when you sit in a quiet place and calmly ponder over it.
Let us do good because it is good to do good; he who does good work even in order to get to heaven binds himself down, says the Karma-Yogi.
karmaNyevAdhikAraste: May your attachment be in Action!!!