Whether a thought is spoken or not it is a real thing and it has power," Tuek said. "You might find the line between life and death among the Fremen to be too sharp and quick.

There is no escape—we pay for the violence of our ancestors.

Truth suffers from too much analysis.

My father once told me that respect for truth comes close to being the basis for all morality. 'Something cannot emerge from nothing,' he said. This is profound thinking if you understand how unstable 'the truth' can be.

To attempt seeing Truth without knowing Falsehood. It is the attempt to see the Light without knowing the Darkness. It cannot be.

Guilt starts as a feeling of failure.