The average pencil is seven inches long, with just a half-inch eraser - in case you thought optimism was dead.

The average pencil is seven inches long, with just a half-inch eraser - in case you thought optimism was dead.

The basis for optimism is sheer terror.

The basis for optimism is sheer terror.

An optimist is a fellow who believes what's going to be will be postponed.

An optimist is a fellow who believes what's going to be will be postponed.

The only limit to our realization of tomorrow will be our doubts of today.

The only limit to our realization of tomorrow will be our doubts of today.

For myself I am an optimist--it does not seem to be much use being anything else.

For myself I am an optimist--it does not seem to be much use being anything else.

There is no sadder sight than a young pessimist, except an old optimist.

There is no sadder sight than a young pessimist, except an old optimist.

Teaching is the greatest act of optimism

Teaching is the greatest act of optimism

A pessimist is one who makes difficulties of his opportunities; an optimist is one who makes opportunities of his difficulties.

A pessimist is one who makes difficulties of his opportunities; an optimist is one who makes opportunities of his difficulties.

Optimism is the opium of the people.

Optimism is the opium of the people.