These are a few of Bashir's more serious quotes.

Bashir: Show no fear, that's my motto.

Bashir: He goes where he's sent. It's all part of the uniform, and I doubt that's going to change.

Bashir: There are many situations in life that test a person's character. Thankfully most of them don't involve death and destruction.

Garak: Sentiment is the greatest weakness of all.
Bashir: If that's true, it's a lesson I'd rather not learn.

O'Brien: So it's true? You're...
Bashir: The word you're looking for is unnatural meaning not from nature. Freak or monster would also be acceptable.

Bashir: Regardless of what Ghemor's done in the past, he doesn't deserve to die alone. No one does.

Bashir: Excuse me if I don't consider your honor to be worth Captain Sisko's life.
Worf: You may leave the bridge now, Doctor.