While trading we have to follow few rules and without following those rules there is no way to be a successful one except a successful by chance. There are lots of rules of them greedy plays a vital role. While trading never be greedy. If you become greedy while trading then you can be assured that there is 90% possibility to be a lessor.
On a bearish market i think this thinking applies but if a current bull run is happening on the crypto market it's not bad to think of greater profit although it is our responsibility to study and analyze when to exit the market or else you will lose a big amount of potential gains.