How did the Universe begin?
As soup, primordial or otherwise.
What is the Universe made of?
Also soup. see question number 1. It has remained soup and will continue to be soup.
What is the Universe made of?
Compassion, from a humanist perspective. Good is subjective.
What is the origin of evil?
I think fear is the source of evil though it is not inherently evil. It is the failure to utilize fear productively.
What is the nature of the mind?
The nature of the mind is to perceive and shape itself and others.
How do you find happiness?
In soup. See questions before.
How do you find truth?
To borrow again, and not reuse, truth may well be a subjective experience. However, the perception of experiencing objectively is a way of achieving common understanding of that experience. The question becomes, does that have intrinsic meaning?
What is the meaning of life?
We make our own meaning, as individuals, and to me it is intrinsically meaningful.
What happens after death?
A great deal, but all external to the extinguished consciousness.
What is going to happen to humankind?
It will become more soup.