“I think the human race doesn’t have a future if we don’t go into space. We need to expand our horizons beyond planet Earth if we are to have a long-term future.”

Quiet people have the loudest minds.

If time travel is possible, where are the tourists from the future?

Look up at the stars, not down at your feet.

While there’s life, there is hope.

What I have learned from life is to make the most of what you have got.

Latest survey shows that 3 out of 4 people make up 75% of the world’s population.

So next time someone complains that you have made a mistake, tell him that may be a good thing. Because without imperfection, neither you nor I would exist.

What was God doing before the divine creation? Was he preparing hell for people who asked such questions?

I would rather be right than rigorous.

The increase of disorder or entropy is what distinguishes the past from the future, giving a direction to time.

It is reasonable to ask who or what created the universe, but if the answer is God, then the question has merely been deflected to that of who created God.

I don’t want to write an autobiography because I would become public property with no privacy left.

We have made remarkable progress in the last hundred years, but if we want to continue, our future is in space.

The idea that we are alone in the universe seems to me completely implausible and arrogant, considering the number of planets and stars that we know exist, it’s extremely unlikely that we are the only form of evolved life.

Disability need not be an obstacle to success.

You cannot understand the glories of the universe without believing there is some Supreme Power behind it.

Do not be anxious about tomorrow, for tomorrow will be anxious for itself. Let the day’s own trouble be sufficient for the day.

What matters is to live in the present, live now, for every moment is now. It is your thoughts and acts of the moment that create your future. The outline of your future path already exists, for you created its pattern by your past.

Now people think it’s cool to have a baby, but it ain’t cool to take care of it. We have to change that. You make your life for that baby. That’s the future.

The father, the mother and the teacher are the three primarily responsible for moulding the future of the country.

Men talk of heaven, – there is no heaven but here; Men talk of hell, – there is no hell but here; Men of hereafters talk and future lives, – O love, there is no other life – but here.

An accurate knowledge of the past of a country is necessary for everyone who would understand its present, and who desires to judge of its future.

I am always more interested in what I am about to do than what I have already done.

When I create it is the only time the past, present and future all meet me at once.