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.

I always like to look on the optimistic side of life, but I am realistic enough to know that life read more

I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.

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.

Teaching is the greatest act of optimism

Teaching is the greatest act of optimism

Optimism is the opium of the people.

Optimism is the opium of the people.

Pessimism leads to weakness, optimism to power

Pessimism leads to weakness, optimism to power

An optimist will tell you the glass is half-full; the pessimist, half-empty; and the engineer will tell you the glass read more

An optimist will tell you the glass is half-full; the pessimist, half-empty; and the engineer will tell you the glass is twice the size it needs to be

Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

Few cases of eyestrain have been developed by looking on the bright side of things.

Few cases of eyestrain have been developed by looking on the bright side of things.