So it is not a matter of whether it is possible to attain Buddhahood, or if it is possible to make a tile a jewel. But just to work, just to live in this world with this understanding is the most important point, and that is our practice. That is true zazen.

Shunryū Suzuki (1905–1971) Japanese Zen Buddhist master

Lecture in Los Altos, California (1 Sep 1967)
    (Source)