We know that "try" as a verb has its noun form "try" that can be the subject of a sentence, but is there any chance that "trying" can also be the subject? For example,"constant trying can help us..." Is it correct in grammar? Do we use it like that in daily life?
A gerund is a noun formed from a verb so you can use it when you would have used a noun
Trying to learn English is making my brain hurt
I failed but it was not for want of trying
are just a couple of examples
If you put gerund sentence subject into your favourite search engine you should get many other examples.