References – SN 22.101: The Adze Handle or The Ship 
“Could you speak about the importance of intention and volition as related to karma and to the story about the chicken who set the intention to lay on her eggs but didn’t follow through (SN 22.101)?” Answered by Ajahn Pasanno. [Volition] [Kamma] [Similes] // [Energy]
Sutta: AN 6.63.33: Karma is volition.