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“Happiness is a warm puppy.”
― Charles M. Schulz

“Happiness is when what you think, what you say, and what you do are in harmony.”
― Mahatma Gandhi

“Happiness is not something ready made. It comes from your own actions.”
― Dalai Lama XIV

“Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe? The usual approach of science of constructing a mathematical model cannot answer the questions of why there should be a universe for the model to describe. Why does the universe go to all the bother of existing?”
― Stephen Hawking, A Brief History of Time