If you want to be truly successful invest in yourself to get the knowledge you need to find your unique factor. When you find it and focus on it and persevere your success will blossom.

If I was left to my own devices, you would see about ten T-shirts in rotation with maybe a few nice pairs of jeans - but I also like to look good. I like feeling really well put together, I just don't have the aptitude and the knowledge to do that.

In some sort of crude sense, which no vulgarity, no humor, no overstatement can quite extinguish, the physicists have known sin and this is a knowledge which they cannot lose.

I feel like 35. At 35 you're old enough to know something and young enough to look forward to what you can do with the knowledge. So I stayed at 35!

There is, so I believe, in the essence of everything, something that we cannot call learning. There is, my friend, only a knowledge - that is everywhere.