Foolhardiness used in a sentence

Foolhardiness in a sentence as a noun

"There are two necessary factors to great feats: The foolhardiness to start, and the stubbornness to finish.

Considering the current climate in the West, a man would have to be on Evil Knievel's level of foolhardiness to take a job teaching.

Not everyone has the heady mix of extreme intelligence and bloodyminded foolhardiness it takes to keep their feet in the startup world.

In theory that young hipster developer that fits the mold would be just a junior on the team, and their enthusiam and foolhardiness towards moving fast and breaking things would be tempered by more mature team members and operators.