Be content with your lot; one cannot be first in everything. Aesop
Some people resemble the honeybee and some resemble the fly. Those who resemble the fly seek to find evil in every circumstance and are preoccupied with it; they see no good anywhere. But those who resemble the honeybee only see the good in everything they see. Paisios of Mount Athos
I mean to make myself a man, and if I succeed in that, I shall succeed in everything else. James A. Garfield
The heart at rest sees a feast in everything. Hindi Proverb
Who is tender in everything is a fool in everything. Catalan Proverb
He sticks his nose in everything. German Proverb