All is temporary

At the time of his death, Basho had more than 2000 students.

In the cicada's cry
No sign can foretell
How soon it must die.

Basho, Matsuo. (1644-1694)

The cicada spends years nestled underground developing from a grub into a winged creature clinging to the trunk or branch of a tree to sing its brief song, to add its vibrating anthem to the music of the spheres. (awg)

After surviving for untold years, these Buddhist statues were destroyed by the Taliban because they were not in accord with their dogma. Only proving Buddhist thought: all is temporary.

The Buddhas of Bamiyan (Persian: بت های باميان – bothā-ye Bāmiyān) were two 6th-century^[1] monumental statues of standing buddha carved into the side of a cliff in the Bamyan valley in the Hazarajat region of central Afghanistan, 230 km (140 mi) northwest of Kabul at an altitude of 2,500 meters (8,200 feet). Built in 507 AD (smaller) and 554 AD (larger),^[1] the statues represented the classic blended style of Gandhara art. Wikipedia.