A Zen master Muso Soseki preached that if a person forgets oneself, throws away all one's desires and becomes altruistic, one can immediately become a living Buddha by an emergence of the Buddhahood.
夢窓疎石禅師は、もし自分を忘れ一切の欲を投げ捨てて利他心を起こせば、すぐさま仏性が発揮されて生き仏になることができると説く。