Cautious Quote by Stephen Hawking

Find optimism in the inevitable

— Rem Koolhaas

I have great faith in optimism as a guiding principle, if only because it offers us the opportunity of creating a self-fulfilling prophecy.

— Arthur C. Clarke

To me it seems not unreasonable to find a re-enforcement of optimism, a renewal of courage and hope, in the modern theory that man…

— James Russell Lowell

My greatest hope is that we transcend the most fearful thing, which is that we are rapidly degrading the ecological systems on this planet…

— Edward Norton

I'm optimistic by nature.

— Ivan Perisic

We are optimistic, but we are optimistic in a cautious fashion.

— Tom Lantos

“I am personally optimistic. I share the widespread view that we are entering a new epoch during which we can achieve conscious evolution and…

— Robert David Steele

We've been given a warning by science, and a wake-up call by nature; it is up to us now to heed them.

— Bill McKibben

Like every other destruction of optimism, whether in a whole civilisation or in a single individual, these must have been unspeakable catastrophes for those…

— David Deutsch

There is an optimism which nobly anticipates the eventual triumph of great moral laws, and there is an optimism which cheerfully tolerates unworthiness.

— Agnes Repplier

Optimism is a cure for many things.

— Michael J. Fox

I am hopeful about the future of humanity.

— Hank Green