Ta'anis 3a-4a
We are required to articulate praises to Hashem for phenomena that are subject to fluctuations; blessings and curses \u2022 Various rains offer varied benefits \u2022 The power of God's fiery word imbues the Torah scholar with discipline and resolve to be tough as iron, with freedom from the domination of the iron-like evil inclination \u2022 A righteous father may be confident that only worthy suitors approach his daughter if she masters the quality of modesty