One verse

Srimad Bhagavatam 4.24.18

4.24.18

आत्मारामोऽपि यस्त्वस्य लोककल्पस्य राधसे । शक्त्या युक्तो विचरति घोरया भगवान् भव: ॥ १८ ॥

atmaramo ’pi yas tv asya loka-kalpasya radhase saktya yukto vicarati ghoraya bhagavan bhavah

atma-aramah
self-satisfied
api
although he is
yah
one who is
tu
but
asya
this
loka
material world
kalpasya
when manifested
radhase
for the matter of helping its existence
saktya
potencies
yuktah
being engaged
vicarati
he acts
ghoraya
very dangerous
bhagavan
His Lordship
bhavah
Siva.

Lord Siva, the most powerful demigod, second only to Lord Visnu, is self-sufficient. Although he has nothing to aspire for in the material world, for the benefit of those in the material world he is always busily engaged everywhere and is accompanied by his dangerous energies like goddess Kali and goddess Durga.