See who is the doubter, who is the thinker. It is the ego. Hold it; the other thoughts will die away - the ego will be left pure. See the source from where the ego arises and abide in it. That is pure consciousness.

Happiness is your nature. It is not wrong to desire it. What is wrong is seeking it outside when it is inside.

Self-inquiry is the process and the goal also. 'I am' is the goal and the final reality. To hold to it with effort is self-inquiry. When spontaneous and natural it is realization.

The source of the ego is God.

The end of all wisdom is love, love, love.

You do not like to suffer yourself. How can you inflict suffering on others?

Call it by any name, God, Self, the Heart, or the Seat of Consciousness, it is all the same.