It is of interest to note that while some dolphins are reported to have learned English - up to fifty words used in correct context - no human being has been reported to have learned dolphinese.

That we can now think of no mechanism for astrology is relevant but unconvincing. No mechanism was known, for example, for continental drift when it was proposed by Wegener. Nevertheless, we see that Wegener was right, and those who objected on the grounds of unavailable mechanism were wrong.

It is clear that the nations of the world now can only rise and fall together. It is not a question of one nation winning at the expense of another. We must all help one another or all perish together.

There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.

There is in this Universe much of what seems to be design.

[Kepler] preferred the hard truth to his dearest illusions, and that is the heart of science.

For small creatures such as we the vastness is bearable only through love.