People always overestimate how complex business is. This isn't rocket science. We've chosen one of the world's simplest professions.
We can not overestimate the fervent love of liberty, the intelligent courage, and the sum of common sense with which our fathers made the great experiment of self-government.
Don't overestimate the decency of the human race.
You always overestimate what you can get done in a year and underestimate what you can get done in 10 years.
Most people overestimate what they can do in one year and underestimate what they can do in ten years.
I have in the past tended to overestimate the amount of change I can affect in the short run and then not fully appreciate the change I can affect in the long run. And so I've learned that it's critical to think carefully about the pace of change, and it's something that I've learned the hard way.
A friend should always underestimate your virtues and an enemy overestimate your faults
Under bad manners, as under graver faults, lies very commonly an overestimate of our special individuality, as distinguished from our generic humanity.
One is apt to overestimate beauty when it is rare
You shouldn't overestimate the power of a single judge.
It would hardly be possible to exaggerate man's wretchedness if it were not so easy to overestimate his sensibility
"God does not give us more than we can handle," I am told but I wonder if God doesn't overestimate me just a little. Or perhaps, and this is likely, I underestimate God.
Never underestimate your power to change yourself; never overestimate your power to change others.
To measure up to all that is demanded of him, a man must overestimate his capacities
People generally overestimate how distinct their lives are, so the commonalities seemed to them like a series of miracles.
One cannot overestimate the options the West has available with which it can apply pressure on Russia.
It is human nature to overestimate the thing you've never had.
If you are insecure, guess what? The rest of the world is too. Do not overestimate the competition and underestimate yourself. You are better than you think.
People often overestimate what will happen in the next two years and underestimate what will happen in ten.
Never mind what the 'people' think of you! They may overestimate or underestimate you! Until they discover your real worth, your success depends mainly upon what you think of yourself and whether you believe in yourself. You can succeed if nobody else believes it; but you will never succeed if you don't believe in yourself.
