R’ Pinchas ben Yair was on his way to fulfill the mitzvah of pidyon shevuyim; he came to the Gina’i River and asked it to split for him so that he could continue traveling.

More on Mitzvah Principles

All of Mitzvah Principles Acting on Inspiration Without Delay Bal Tosif Adding to Mitzvos Choosing a Day of Furlough From Prison Do Pomegranates Have 613 Seeds Doing a Mitzvah Yourself or More Beautifully Doing Part of a Mitzvah Ein Maavirin Al HaMitzvos Hiddur Mitzvah Versus Zerizus Is a Beautiful House a Mitzvah Joining Others in a Mitzvah Maakeh Roof Railing Mitzvah Items From Non-Kosher Animals Not Delaying Mitzvos Reward for Inspiring Others Searching for Reasons for Mitzvos Selling the Reward for a Mitzvah Sinning to Help Another Do a Mitzvah Sinning to Save Another From Sin Spending Money to Avoid a Sin Switching to a Nicer Mitzvah Item Tadir Kodem

Mitzvah Preparation Counts as a Mitzvah – Mitzvah Principles in the Gemara | Daf Yomi Insights