Acts vs. Faith: Which Is more Important?

How do we attain salvation?

Photo by Diana Simumpande on Unsplash

How do we attain salvation and get into Heaven? Is it by ‘being a good person?’ If so, what’s the definition of that? Is it by doing good deeds? If so, how many does it take? Or is faith in Jesus Christ the only element we need? Would an “evil” person, such as a serial murderer for example, get into Heaven if they had faith in Jesus?