"Whosoever will save his life shall lose it;
but whosoever shall lose his life for my sake and the gospel's shall save it."
Mark 8:35
Saint Paul and Saint Peter the Apostles both died as martyrs.
St. Paul's attribute is a sword, St. Peter is usually portrayed with a key/two keys.
Their feast day is 29 June.
St. Paul is a saint patron of missions, theologians and evangelists.
More about St. Peter the Apostle in another post.