Intelligence is the ability to adapt to change.

Author: Stephen Hawking

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Someone told me that each equation I included in the book would halve the sales.

My goal is simple. It is a complete understanding of the universe, why it is as it is, and why it exists at all.

God not only plays dice, but also sometimes throws them where they cannot be seen.

I want to know why the universe exists, why there is something greater than nothing.

Travel and change of place impart new vigor to the mind.

People are people and sometimes we change our minds.

Sometimes life is so unkind, but change is never a waste of time

Open your arms to change, but don’t let go of your values.