There is a light that shines beyond all things on earth, beyond the highest, the very highest heavens. This is the light that shines in your heart -Chandogya Upanishad.

There is a light that shines beyond all things on Earth, beyond us all, beyond the heavens, beyond the highest, the very highest heavens. This is the light that shines in our heart. -Chandogya Upanishad 3.13.7.

Who sees the many and not the one, wanders on from death to death.
Even by the mind this truth is to be learned: there are not many but only one. Who sees variety and not the unity wanders on from death to death.

The heart of a fool is in his mouth, but the mouth of the wise man is in his heart. -Benjamin Franklin.

Wheresoever you go, go with all your heart. -Confucius.

If I keep a green bough in my heart, then the singing bird will come. -Chinese proverb.