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SN 3.1 Dahara Sutta: Young
The Buddha explains the importance of not belittling things due to their age.

MN 95: With Canki
So I have heard. At one time the Buddha was wandering in the land of the Kosalans together with a large Saṅgha of mendicants when he arrived at a village of the Kosalan brahmins named Opāsāda. He stayed in a sal grove to the north of Opāsāda called the “Gods’ Grove”. Now at that time…

Khp 8: Nidhikaṇḍa Sutta—The Discourse on the Amount of Savings
What is the proper way to protect our futures?