Work gives you meaning and purpose and life is empty without it.

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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.

Broad, wholesome, charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all of one’s lifetime.

We travel not to escape life, but for life not to escape us.

It's impossible to protect your kids against disappointment in life.

There is no such thing in life as normal.