Emancipate yourself from mental slavery; none but ourselves can free our minds.
What we see depends mainly on what we look for.
In a country like this, our ghosts outnumber us …
Non est ad astra mollis e terris via.
There is no easy way from the earth to the stars.
War does not determine who is right – only who is left.
The unexamined life is not worth living
The more clearly we can focus our attention on the wonders and realities of the universe about us, the less taste we shall have for destruction.
If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family anatidae on our hands.
It is a curious situation that the sea, from which life first arose should now be threatened by the activities of one form of that life