He defended the integrity of the F.B.I. despite claims of bias. He spoke about four Americans the F.B.I. investigated for connections to Russian interference in the 2016 election. And he defended his decision not to prosecute Mrs. Clinton in July 2016 over her handling of classified information while she was secretary of state.

In two angry tweets, Mr. Trump on Sunday lashed out at Mr. Comey, calling him a liar.

“His Friday testimony was so untruthful!” Mr. Trump said in one. “This whole deal is a Rigged Fraud headed up by dishonest people who would do anything so that I could not become President.”

What else did Mr. Comey have to say on Friday? The transcript offered some interesting morsels. Here’s a look.

Comey and Mueller: Are they best friends?

In an interview with The Daily Caller in September, Mr. Trump declared that Mr. Mueller was Mr. Comey’s best friend.

“And I could give you 100 pictures of him and Comey hugging and kissing each other,” Mr. Trump said.