One who does not add time for learning when the nights lengthen, ought to die young: Taanit 31a
Travelling 4 Cubits without learning: Succah 28a; Megillah 28a
Hashem "crying" over the Waste due to Exile: Chagigah 5b
Hashem "crying" over one who can learn Torah and opts not to: Chagigah 5b
Better to be the one who ushers people into the Study Hall, than the one who announces the time for meals: Shabbat 118b
Bemoaning those who work long hours and don't eat well in pursuit of work, as opposed to those who do this to study Torah: Ketuvot 62a
Prohibition against sleeping, beyond a brief nap, during the day: Succah 26b
Joshua's encounter with an angel who rebuked him for not bringing the daily afternoon offering, and for not being involved in Torah study, primarily for the latter reason, on the night before the war with Jericho: Eruvin 63b; Megillah 3a-b