“Words have kedusha (holiness)…

It is what is unique about humankind: only we use words.

[Language is] the greatest gift HKBH gave to human beings.

It is the only means to express what we feel, what we think, to teach, to enlighten, to inspire, to daven (pray) to HKBH…

[Our mouths should be] dedicated to divrei kedusha (holy words), to serve HKBH and to do good in the world.

…

You need to keep your word… If you promise, you need to keep your promise…

One of the most fundamental yesodot (foundations) of a decent society,

[is] when people keep their promises and sanctify their words. [They are then fulfilling] bein adam l’Makom and bein l’chavero, [meaning they are interacting properly between man and his Creator and man and his fellow].”