The following link is to Charles Spurgeon's sermon titled, "Lessons From Christ's Baptism." In the sermon Spurgeon highlights the importance of the doctrine of the Holy Trinity because salvation is a Trinitarian work.
https://www.spurgeongems.org/sermon/chs3298.pdf
I don't take a dogmatic stance on the filioque. I can take it or leave it. Nevertheless, I tend to lean toward likelihood of its truth. In the video below Gavin Ortlund interviews Fred Sanders in defense of the doctrine.
The Doctrine that Divided the Church (With Fred Sanders)
https://youtu.be/zVPXYS4Mkgw
