Once I had learnt my twelve times table (at the age of three) it was downhill all the way.

Once a photograph of the Earth, taken from outside, is available, once the sheer isolation of the Earth becomes known, a new idea as powerful as any in history will be let loose.

Words are like harpoons. Once they go in, they are very hard to pull out.

I don't see the logic of rejecting data just because they seem incredible ... the establishment defends itself by complicating everything to the point of incomprehensibility.

Once a photograph of the Earth, taken from outside, is available, we shall, in an emotional sense, acquire an additional dimension.

The big bang theory requires a recent origin of the Universe that openly invites the concept of creation.

It is no more likely that our world has evolved out of chaos than that a hurricane, blowing through a junk yard, should create a Boeing.