The Ethics
In the Ethics, Spinoza explains his atheist concept of God, which is now pantheism and is similar to the concept of the Brahma
Part 1
God →

Part 2
The Nature and Origin of the Mind, God and Ideas →

Part 3
The Emotions →

Part 4
Human Bondage, or the Strength of the Emotions →

Part 5
The Power of the Understanding or of Human Freedom →