It is also plausible that those movements with the greatest inner contradiction and between profession and practice - that is to say with a strong feeling of guilt - are likely to be the most fervent in imposing their faith on others.

That which corrodes the souls of the persecuted is the monstrous inner agreement with the prevailing prejudice against them.

The act of self-denial seems to confer on us the right to be harsh and merciless toward others.

Children are the keys of paradise.

The hardest arithmetic to master is that which enables us to count our blessings.

The Paleolithic hunters who painted the unsurpassed animal murals on the ceiling of the cave at Altamira had only rudimentary tools. Art is older than production for use, and play older than work. Man was shaped less by what he had to do than by what he did in playful moments. It is the child in man that is the source of his uniqueness and creativeness, and the playground is the optimal milieu for the unfolding of his capacities.

Learners inherit the earth; while the learned find themselves beautifully equipped to deal with a world that no longer exists.