Use "temporariness" in a sentence

1. Ferguson was openly dubious at the extemporariness of Colling’s plan, but he pushed the telephone over towards Colling and said, “Go ahead and see if you can call him

2. But it was the Western educationists, who had injected contemporariness into the thought process of the Hindus that inexorably energized their latent intellectualism exemplified by the Ramans, the Boses and the Ramanujans