How did gardening help a samurai to prepare for battle?

Samurai a quiet, contemplative way to reach enlightenment in Buddhsim, as well as focus their minds.

Gardening helped samurais to focus their mind and thoughts and zone in instead of out

Explanation:

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

sorry i tried to but i didn’t get it