shabbat 126

action v thought
not necessary to do something, just thought can create a reality.

but telling a story is always more compelling.

(discussing about planning to use certain things on shabbat, if just designating them in thought is enough or do you have to perform an action to prepare them for use. there is a disagreement between 2 anonymous texts, the talmud decides that the one which tells a story of something happening makes a stronger case. for english translation of this page, see here)