Two days before the conclusion of the thirty-day mourning period following the passing of Moses on Adar 7 (see Jewish History for the 7th of Nissan), Joshua dispatched two scouts--Caleb and Pinchas--across the Jordan River to Jericho, to gather intelligence in preparation of the Israelites' battle with the first city in their conquest of the Holy Land. In Jericho, they were assisted and hidden by Rahab, a woman who lived inside the city walls. (Rahab later married Joshua).
Link:
The Two Spies
R. Avraham Yehoshua Heshel was one of the leading Rebbes of his day, serving as rabbi and spiritual leader first in Apta (presently called Opatow), then in Iasi, and finally in Mezhibuzh. He was known for his great love of his fellow Jews, and is commonly known as “the Ohev Yisroel [lover of Jews] of Apta.”
Link: Special Powers
In today's "Nasi" reading (see "Nasi of the Day" in Nissan 1), we read of the gift bought by the nasi of the tribe of Shimon, Shlumiel ben Tzurishadai, for the inauguration of the Mishkan.
Noah was a tzadik, a very great man. He saved the entire world. But he didn't approach Abraham's greatness.
When G‑d told Noah to build an ark before the world would be destroyed, Noah built an ark.
But when G‑d told Abraham He was about to destroy the cities of Sodom and Gomorrah—cities corrupt and evil to the core—Abraham argued. He said, “Perhaps there are righteous people there! Will the Judge of All the Earth not do justice?”
Where Noah donned a warm coat for himself and his family, Abraham built a warm fire for the entire world.
Because Abraham felt a sense of ownership for the world in which he lived. If there was something wrong, it needed to be changed. Even if it had been decreed by the will of G‑d.