yes i agree on you we are almost the same for me i also choose bitcoin .because we are now  heading into the world of internet.bitoin have an advantage in using internet.i think bitcoin can make us profitable someday.

gold exist for thousands years and i trust in gold more in some 0 and 1

I believe in gold, only because it is a physical thing, that is slowly running out and if you have a brick it is forever (well unless you sell it) While with bitcoin, it could get old fast, and be obsolete, when some altcoin becomes extremely popular and better in every possible way.

both. I have achieved substantial profit from having at same time from trading. Half of profit from bitcoin i have switched to gold, because price gold is currently down quite sharply.

It's true that Gold cannot be replaced by anything else as it has its appellation in its genre (metals) and none can remove the charm of Gold but the same is with Bitcoin also. If we speak for today, we need to buy Bitcoins in order to purchase other alts, albeit it's true that now there are many exchangers giving Ethereum and other currencies too against fiat but Bitcoin is still the superior one. Bitcoins can only be replaced by one thing, and that's just Bitcoin because if it gets upgraded to a better version, then an upgraded "Bitcoin" will only replace current "Bitcoin" and none other can.

But if someone will know about any asset then why will he not invest all in that if it is really giving the profit. Actually I am pointing out that if we will have knowledge about bitcoin then we will know that the price of bitcoin will increase up and we will know that what action we need to take in what situation so we will not lose if we invest in only one.

Bitcoin nowadays is higher value than gold and it can be easy to earn around internet rather than gold , gols is you need to find a buter and sell to them which is they will ask for the cheaper price if you really want to sell yours however bitcoin is not that stable but you can earn as much as gold price and thats really for to be start

People who are already using bitcoin will surely invest their money into bitcoin at a moment as they are aware that bitcoin can make them rich in a short period of time.
I will choose bitcoin.   

What will happen if the prices crash 50% all of a sudden and remain there for the next 2-3 years? Do you remember what happened after 2013? Bitcoin exchange prices went down for almost 3 years, before finally stabilizing in 2016.