ostrożny optymizm

On the military side, too there is cause for some cautious optimism.

She may be right, but I would call it cautious optimism.

This will bring us, I feel, to a position of cautious optimism.

It described the new report as cause for "cautious optimism."

Why, then, the cautious optimism that the worst is in the past?

So, at the moment, cautious optimism seems the most sensible approach.

The logic of recent events makes for a cautious optimism.

There was cautious optimism that an agreement could be reached quickly.

He is approaching his chance at history this week with cautious optimism.

His words reflected a cautious optimism by Democratic and labor leaders.