How to use "confident" in a sentence

After a while, he felt confident that he and Cosette were not being followed

In fact, they were attracted by his good looks, but he was not confident enough to realize this

"Pod Life is the future, Sala." Niki sounded very confident

Helen was by nature everything that poor Charlie struggled to be: impeccably well mannered, sophisticated, graceful, at ease and confident in any situation

You won't do that," Elliot said, wishing that he felt as confident as he sounded

He was confident that he would nail Evans when the man returned from the dealer's lounge in the next few minutes.

He's always so damned self-confident, Harry Kennebeck thought

Alexander was increasingly confident that they would reach the installation unscathed, and he was aware that even Kurt Hensen, who hated flying with Morgan, was calmer now than he had been ten minutes ago.

'Oh, yes!' She seemed suddenly confident again

'Watson,' he said, 'if you should ever think that I am becoming too confident in my powers, or that I am not working hard enough on a particular case, please whisper "Norbury" in my ear, and I will be infinitely obliged to you.'