Unintentionally adding to a mitzvah- does this violate bal tosif?

Which is a worse violation: adding to a mitzvah/bal tosif or diminishing from a mitzvah/bal tigra?

The deeper meaning behind the special "Hillel sandwich" of leyl haseder

Applications of the principle of Ta'am K'ikar for separation of challah from cherry pie and meat pie

How to make sure we are not only spiritually motivated by external factors but to build internal passion

Korbanot are not just about the time-window but about the people enjoying the meal

Why we don't recite mizmor l'todah on Shabbat, holidays, Erev Pesach, and Erev Yom Kippur- What about the eve of 9 Av?

The powerful and useful concept of "sfeik sfeika" How many cases of doubt are required to be lenient?

A Chanuka Candle that gets mixed into a pile of regular candles- what is the status of the candles?

The story of the Avnei Nezer and the town well with worms in the water