The Gemara tells the famous story of Nachum Ish Gam Zu, who was supposed to bring a box full of precious jewels to the king, but a wicked innkeeper stole them and put dirt inside instead. Nachum Ish Gam Zu was undaunted. He said Gam Zu L'tovah, and he gave this box to the king. The king was furious, but one of his servants (who was really Eliyahu HaNavi) told him that this dirt is from their Zeide, Avraham, who killed his toughest enemies in battle by throwing it at them. The king tried it out and it worked wonders; and Nachum was rewarded handsomely.
Nachum was the Rebbe of Rabbi Akiva, and Rabbi Akiva was the author of: בַטְל אָנָמְחַר דיֵבָﬠְד יאַמ לָכּ דיֵבָﬠ Whatever Hashem does, is surely best, and everything that happens to a person is good. I have found at least three powerful stories in the Gemara where Raban Gamliel and the other Gedolei Yisroel were all crying at sad situations, and Rabbi Akiva was laughing. He explained his positive outlook, and they all agreed with him.
Even when Rabbi Akiva was being tortured to death, and his Talmidim were full of pain watching him, all he said was that his entire life he had been hoping to give away his life for Kavod Shamayim in such a horrific manner. And before Nachum Ish Gam Zu was Niftar, he asked for the worst Yissurim for each one of his limbs, and: תְּﬠַד הָרְרָקְתִנ אֹלְווֹ he wasn’t' "cooled off" and satisfied only after his body was full of Sh'chin.
Notice the extreme Bitachon of this Rebbe and his Talmid. They can turn the worst situation into the best. The
