Can You Lose Your Salvation? (Truth About Hebrews 6 And Hebrews 10:26)

I have taken the following from Joseph Prince's youtube video description:

Is it possible for a Christian to lose his or her salvation? Those who say that it's certainly possible point readily to the warning in Hebrews 6 as Bible proof. But what is Hebrews 6 really all about? Who are the people being warned here? Joseph Prince tackles these questions head on in this exciting message and sheds light on this controversial topic. This must-hear message will help you determine whether you live life with your eternal security hanging in the balance, or with your heart fully assured that heaven is your home.

I have taken the following from Joseph Prince's youtube video description:

Can a Christian "sin willfully" in the context of Hebrews 10:26 and lose his or her salvation? Join Joseph Prince as he tackles this difficult question many Christians grapple with, and outlines the context for the warning that has frightened many sincere believers. Discover also what the judgment for this particular sin is, whom it is really meant for and whether a Christian can ever be subject to it. Listen to this important message and gain for yourself a clear biblical understanding of this oft-misconstrued portion of Scripture, as well as a deeper revelation and appreciation of the efficacy of Jesus' sacrifice and blood.