What you think about yourself ...

What you think about yourself is much more important than what others think of you.
 Seneca the Elder

Quotes from the same author

No one is better born than another, unless they are born with better abilities and a more amiable disposition.
 Seneca the Elder
It is for the superfluous things of life that men sweat.
 Seneca the Elder
The great soul surrenders itself to fate.
 Seneca the Elder
If a man does not know what port he is steering for, no wind is favorable to him.
 Seneca the Elder
We should every night call ourselves to an account: What infirmity have I mastered today? What passions opposed! What temptation resisted? What virtue acquired?
 Seneca the Elder