[Blood of Tyrants]

That saying is attributed to the character Lazarus Long in a book by Robert Heinlein. I think the book was “Time Enough for Love”. Great book by a great writer, even if he was a little flaky.

[batterycommander]

Heinlein was the father of modern Science Fiction, a US Naval Academy graduate, and quite flaky.

[TXnMA]

Heinlein's earlier works were rock solid. It wasn't until the latter days of his life that (notably with the "Lazarus Long" series of novels, he "ran off the rails" into stuff like pedophilia and incest...