When he sold his Bitcoin for pizza he would have thought that he is on the right track and so lucky but time was able to prove him wrong.
On the contrary, he proved to be correct and bitcoin is used as a means of payment and you can even live of it and that was the whole point of his bitcoin for pizza transactions.
Hold your coin and keep it save, time might gives you a triple value.
If those early bitcoin adopters thought the same, 99.99% of us woulnd't be here as no one outside of handful of cyprephunks and enthusiasts would never hear about Bitcoin. With that in mind, I would say to hold majority of your coins, but also spend it from time to time.
This is what I always try to convey to people. The extreme utility of buying a pizza for someone who is not even in the same nation as you, allowing you to pay with bitcoin, and then that person will pay with credit card, and send a pizza to you, is the peak bitcoin adoption that made bitcoin so popular. Laszlo may have as much contribution to crypto world as Satoshi, or at least Vitalik.
Believe me, without him paying 10k for that 2 large pizzas, there wouldn't be bitcoin as we know it today, it would still be here, but it would probably not be as popular as today. He is the hero that we mock, but the hero we needed in order to save us from the fiat slavery.