@maxdancona,
maxdancona wrote:The phrase "it is said that ________" is a pattern we all understand.
So is the pattern "it is said ______________".
After 'bridge' verbs like learned, discovered, found (out), knew, felt, thought, and also the more common reporting verbs, (e.g. say, tell) it is quite natural to omit 'that', especially in informal speech.