There's a big difference between confidence and conceit.

Conceit is bragging about yourself. Confidence means you believe you can get the job done.

Conceit may puff a man up, but never prop him up. - John Ruskin,

Glory is not a conceit. It is not a decoration for valor. Glory belongs to the act of being constant to something greater than yourself, to a cause, to your principles, to the people on whom you rely and who rely on you in rerun.

Conceit may puff a man up, but never prop him up

I know my father felt very highly of him.