In the Haggada we read; חכם מה הוא אומר? מה העדות והחוקים והמשפטים אשר צו ה’ אלוקינו אתכם– What does the wise son ask? “What are the testimonies, statutes and laws that God our Lord commanded you?”
The Sfas Emes understands that the wise son is asking the reasons behind the laws, not the laws themselves. Since he is the wise son, it is assumed that he knows the laws. However, how can he ask for a reason for the statutes? חוקים do not have reason, for example, the Para Aduma and sha’atnez. These mitzvos have no clear reason. So why does the wise son ask for the reason for these types of mitzvos?
In Tehillim, we say; “מַגִּיד דְּבָרָיו לְיַעֲקֹב חֻקָּיו וּמִשְׁפָּטָיו לְיִשְׂרָאֵל – He told his words to Yakov, His statutes and laws to Israel”. מַגִּיד implies a discussion – the implication is that חוקים is not just an instruction, but a talking point, something to be talked about. So חוקים have meaning as well – but how can discover these reasons? The Sfas Emes explains that the way to attain an understanding of the חוקים is by doing them even without understanding, but with the belief that what we are doing has a deeper significance. By performing these mitzvos without understanding why, we merit knowing the reason eventually.
The Sfas Emes explains that the mitzva of matza alludes to this. The matza is made of flour and water. It has no additional taste. In Hebrew the same word is used for taste and for reason – טעם. We specifically do not add any טעם to it to show that the command itself has enough טעם for us.
Through this, we develop a closer relationship with Hashem, a Naaseh v’Nishma of sorts, that we do as instructed even though we don’t understand.
The answer we give the wise son is, “We do not eat any dessert after the Pesach lamb.” He wants to know the טעם for the mitzvos including the חוקים . We tell him that the way to know the reasons is to do them, without knowing why, but with faith in Hashem’s command. We hint this when we tell him not to add to the טעם of the Korban Pesach.
It seems that asking the right questions leads to self discovery, and that it is most important to simply place one’s trust in Hashem .