I have learned to use the word impossible with the greatest caution.

Werner von Braun

Learning without wisdom is a load of books on a donkey's back.

Zora Neale Hurston

The cheapest is always the most expensive.

German proverb

The pen is mightier than the sword.

English Proverb

When the rich make war, it's the poor that die.

Russian proverb

If you look the right way, you can see that the whole world is a garden.

Frances Hodgson Burnett