Knowledge Is Peace
The Gemara in Kerisus ends off with this famous dictum—“Rebbe Elazar said in the name of Rebbe Chanina: Torah scholars increase peace in this world.” A simple explanation is offered by the Iyun Yaakov.
Parnassah
Living Within Your Means in the Gemara
The Torah lesson, drawn from the korban oleh v'yored, that a person should not spend beyond what he can afford.