भागवत - वरं जन्म तरूणाम्

अहो एषां वरं जन्म सर्वप्राण्युपजीवनम् ।
सुजनस्येव येषां वै विमुखा यान्ति नार्थिनः ॥

- भागवत

Oh!! these (trees) have a very noble life by supporting life of many beings (birds and animals). Like a virtuous person, they never disappoint any one who seeks their help.

- Bhagavata