No man can use his brain to think for another.
I will be my own kind of senator using my own best judgment and my own experience.
No one can figure out your worth but you.
I'm a good judge of my own work.
Don't take advice. You have to make up your own mind what to do from the beginning.
Pin thy faith to no man's sleeve. Hast thou not two eyes of thy own?
Why should we worry about what others think of us, do we have more confidence in their opinions than we do our own?
I have an opinion. I have my own taste.
I daresay one profits more by the mistakes one makes off one's own bat than by doing the right thing on somebody's else advice.
And don't consult anyone's opinions but your own.
I depend a lot on my own judgment, for better or worse.