Anyone who lost a significant amount of Bitcoin will tell you a paper wallet is the safest way of storing it. Think of it like cash money, except you are holding a paper with your keys on it. No one can hack you if you use this method.
And how are you going to spend/generate it? Offline wallet I suppose, for maximum security.
Everyone says paper wallets are the safest but they don't consider the generation and the spending process which exposes it to threats and once its spent, a new paper wallet will have to be generated. Hardware wallets are the closest you can get while balancing convenience and security.