Avoid ... vexations to the spirit.
From the poem "Desiderata".
Click-here for one version of the entire poem.
Explanation from Wikipedia (click-here).
placidly amid the noise and haste, and remember
what peace there may be in silence.
As far as possible without surrender be on good
terms with all persons.
Speak your truth quietly and clearly; and listen
to others, even the dull and ignorant; they too
have their story.
Avoid loud and aggressive persons, they are
vexations to the spirit.
If you compare yourself with others, you may
become vain and bitter;
for always there will be greater and lesser
persons than yourself.