Science is the one human activity that is totally progressive.

We do not know why we are born into the world, but we can try to find out what sort of a world it is - at least in its physical aspects.

All nature is a vast symbolism: Every material fact has sheathed within it a spiritual truth.

Past time is finite, future time is infinite.

The history of astronomy is a history of receding horizons.

The universe is unfolding as it should.

I knew that even if I were second or third rate, it was astronomy that mattered.

Science is the one human activity that is truly progressive. The body of positive knowledge is transmitted from generation to generation.

Not until the empirical resources are exhausted, need we pass on to the dreamy realms of speculation.

Wisdom cannot be directly transmitted, and does not readily accumulate through the ages.

The great spirals, with their enormous radial velocities and insensible proper motions, apparently lie outside our Solar system.

I have found that the morning is far more accessible when a good book awaits you.

Being digital-ready is an overarching approach via building a set of “digital -flavored” cultures and taking a series of stepwise practices.

That which is worth telling is not worth having.

The severest justice may not always be the best policy

People get hired based off of a certain look or something like that and they have no intention of paying their dues or even respecting the business. It's not a good idea to do that.

It is a great shame; most of our words are misused tools / which often still smell of the mud in which previous owners / desecrated them.

Some people's photography is an art. Mine is not. If they happen to be exhibited in a gallery or a museum, that's fine. But that's not why I do them. I'm a gun for hire.

I had to take driving lessons in New York, which were really weird because it's not the safest thing in the world.

All economic activity is by definition "high risk." And defending yesterday--that is, not innovating--is far more risky than making tomorrow.

For the great doesn't happen through impulse alone, and is a succession of little things that are brought together.