Marvellous discoveries have been made since Great Thinkers first contemplated the stars! You have the benefit of their thinking AND these discoveries.  What would they have given to know what you know!

There is inherent fascination in the extraordinary Cosmos; also in the nano-world the tiniest building blocks of matter reveal an astonishing universe.

We can’t know everything. But we can know more.  More than ‘know’, we can understand more if we reflect on the facts and new theories.