As we tramped along, we discussed a question that was uppermost in the mind of each--what we should do with Snider when we had captured him, for with the action of pursuit had come the 
optimistic conviction that we should succeed.
When he contemplated a lifetime at Flack's, a lifetime of bee-dodging and carpet-beating and water-lugging, and reflected that, but for a few innocent words--words spoken, mark you, in a pure spirit of kindliness and brotherly love with the object of putting a bit of 
optimistic pep into sister!--he might have been in a position to touch a millionaire brother-in-law for the needful whenever he felt disposed, the iron entered into Nutty's soul.
The news that came from South Africa was less reassuring, and Philip with anxiety saw that his shares had fallen to two; but Macalister was 
optimistic, the Boers couldn't hold out much longer, and he was willing to bet a top-hat that Roberts would march into Johannesburg before the middle of April.
Oh, I still turn out the same sort of work, stuff that is clean, alive, 
optimistic, and that makes toward life.
We smiled again, said amusing things, and waxed 
optimistic over our situation.
Heavy losses of soldiers were mentioned, but the tone of the despatch was 
optimistic.
To catch and mount one of these habitually rageful and intractable beasts was no child's play under the best of conditions; but now, when silence and time were such important considerations, it might well have seemed quite hopeless to a less resourceful and 
optimistic man than the son of the great warlord.
And so at last we turned into our narrow bunks, hopeful, happy and at peace with ourselves, our lives and our God, to awaken the following morning refreshed and still 
optimistic. We had an easy time getting away--as we learned later, because the saurians do not commence to feed until late in the morning.
Now it was an 
optimistic opinion on the panic, a funny story, a serious business talk, or a straight take-it-or-leave-it blow from the shoulder.
That was it, it was the voices of men, 
optimistic men, men who breathed success and spent their money for drinks like men.
One chance in a thousand is really 
optimistic. He hasn't a chance in ten thousand."
We found our socialist comrades confident, 
optimistic of their strength and of the things they would accomplish.