The aim of argument, or of discussion, should not be victory but progress.

Karl R. Popper

Each problem that I solved became a rule which served afterwards to solve other problems.

René Descartes

We should not pretend to understand the world only by the intellect. The judgement of the intellect is only part of the truth.

Carl Jung

A thinker sees his own actions as experiments and questions - as attempts to find out something. Success and failure are for him answers above all.

Friedrich Nietzsche

Convictions are more dangerous foes of truth than lies.

Friedrich Nietzsche

For peace to reign on Earth, humans must evolve into new beings who have learned to see the whole first.

Immanuel Kant

The greatest and most important problems of life are all fundamentally insoluble. They can never be solved but only outgrown.

Carl Jung

The whole is greater than the sum of its parts.

Aristotle

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