This message focussing on 2 Tim 1:12 begins by showing that Christians do not need to be ashamed of our faith, because our faith is reasonable and tied up in our relationship with the living God. God in Trinity is the security of our faith and he can be trusted.
2 Timothy 1:12 English Standard Version (ESV)
12 which is why I suffer as I do. But I am not ashamed, for I know whom I have believed, and I am convinced that he is able to guard until that day what has been entrusted to me.[a]