Past time is finite, future time is infinite.

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.

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.

There we measure shadows, and we search among ghostly errors of measurement for landmarks that are scarcely more substantial.

I see Jenna, smiling, chattering. And failing. When you are perfect, is there anywhere else to go?

Proclaim not all thou knowest, all thou knowest, all thou hast, nor all thou cans't.

We have heeded no wisdom offering guidance. Only by learning to love one another can our world be saved. Only love can conquer all.

Baby smiled, mother wailed, Earthward while the sweetling sailed; Mother smiled, baby wailed, When to earth came Viola.

Fair maid, white and red, Comb me smooth, and stroke my head; And every hair a sheave shall be, And every sheave a golden tree.

I'm drinking lots of rum and popping pinks and greys.

And it happened all the time that the compromise between two perfectly rational alternatives was something that made no sense at all.

My family is from Russia and Poland. We never had that thing with the German Jews.

No, I don't mean love, when I say patriotism. I mean fear. The fear of the other. And its expressions are political, not poetical: hate, rivalry, aggression.