There is no harm in doubt and skepticism, for it is through these that new discoveries are made.

If you think you understand quantum mechanics, you don't understand quantum mechanics.

Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.

It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

If you can't explain something to a first year student, then you haven't really understood .

God was invented to explain mystery. God is always invented to explain those things that you do not understand.

Nature uses only the longest threads to weave her patterns, so that each small piece of her fabric reveals the organization of the entire tapestry.

My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for some ridiculous reason and you'd just spoil it to know it.

Religion is a culture of faith; science is a culture of doubt.

The only way to deep happiness is to do something you love to the best of your ability

Einstein was a giant. His head was in the clouds, but his feet were on the ground. But those of us who are not that tall have to choose!

A couple of times in your life, it happens like that. You meet a stranger, and all you know is that you need to know everything about him.

On se réconcilie avec un ennemi qui nous est inférieur pour les qualités du coeur ou de l'esprit

I am sure that there is many a young man who would think it a great honor to exchange his name for yours.

You are capable of loving the unlovable. The grace of God gives you the power to love.It also takes conscious effort and decision to choice to love.

My goal in the beginning was to buy my mother a house. Now I realize, okay, if I really focus and become a key player in business, then I can build an empire.

Your big opportunity may be right where you are now.

I believe Islam is superior. And will not be surpassed. So I believe that the law of God is much superior to man-made law.

So, the result though is by the time I've got something, it's been worked over so many times that although I do make changes as the end, often by the time I've gotten it, it's pretty much completed.

Galleries began growing in both number and size in the late seventies, when artists who worked in lofts wanted to exhibit their work in spaces similar to the ones the art was made in.

Sometimes we tend to be in despair when the person we love leaves us, but the truth is, it's not our loss, but theirs, for they left the only person who wouldn't give up on them.