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.

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.

Having a positive mental attitude is asking how something can be done rather than saying it can't be done.

Having a positive mental attitude is asking how something can be done rather than saying it can't be done.

A pessimist is a person who has had to listen to too many optimists.

A pessimist is a person who has had to listen to too many optimists.

A man may be a pessimistic determinist before lunch and an optimistic believer in the will's freedom after it.

A man may be a pessimistic determinist before lunch and an optimistic believer in the will's freedom after it.

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

Always borrow money from a pessimist. He won’t expect it back.

Always borrow money from a pessimist. He won’t expect it back.

Do not expect the world to look bright, if you habitually wear gray-brown glasses.

Do not expect the world to look bright, if you habitually wear gray-brown glasses.

Pessimism, when you get used to it, is just as agreeable as optimism.

Pessimism, when you get used to it, is just as agreeable as optimism.