You need 10 words for a diceware generated password to be good

4 dice rolls gives you 4 random words which are easy for a human being to remember, yet have a high amount of entropy which makes them hard to crack. For more ...

We recommend securing your password manager with a diceware passphrase comprised of at least seven words. My proposal: We should educate the ...

Diceware is a method for creating passphrases, passwords, and other cryptographic variables using ordinary dice as a hardware random number generator.

All extended ASCII printable characters, 218, 7.768 bits ; Binary (0–255 or 8 bits or 1 byte), 256, 8.000 bits ; Diceware word list, 7776, 12.925 bits per word.

A popular passphrase generation method is Diceware: you concatenate words from a list chosen by rolling physical dice. Such a passphrase is stronger and easier ...

The + Word or + Symbol buttons will enhance the strength of the existing passphrase. For extra security you can manually roll physical dice (two or five die ...

The maximum length of Diceware words is 5 characters. That makes a Diceware passphrase easier to enter accurately, particularly on mobile ...

Diceware passwords should have spaces between each word, otherwise the strength of the password is materially weakened. For example, a six-word passphrase ... Introduction · Generating Unbreakable... · Key-Stretching · Guidelines

He seems to be more or less saying, You password itself needs to have around 120 bits of entropy or else it's not good enough.