It is in our progressive and optimistic nature to believe that human beings are basically good, or at least rational.

Soon his optimistic nature prevailed, and he offered to extend the massage to Juliana's calves.

"And merchants are by their nature optimistic and emotional."

I am not of a very optimistic nature.

His works are frequently noted for their rhythmic, optimistic, and lyrical nature.

"By virtue of being conceived in a democratic country we are by nature optimistic," she said.

He rejected the claims his pictures were meant to please state authorities, stating their optimistic nature was "spontaneous" rather than "forced".

But now his basically optimistic nature had reasserted itself: everything always worked out for the best.

It takes an optimistic nature to believe his administration can raise the city bureaucracy's productivity enough to sustain services while reducing the number of employees.

But when his basically optimistic nature shows through, we are treated to sentiments that few authors take the trouble to share with us.