The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.

If I perceive in another person mainly the surface, I perceive mainly the differences,that which separates us. If I penetrate to the core, i perceive our identity, the fact of our brotherhood. This relatedness from center to center - instead of that from periphery to periphery - is 'central relatedness'.

Love is an active power in man; a power which breaks through the walls which separate man from his fellow men, which unite him with others; love makes him overcome the sense of isolation and separateness, yet it permits him to be himself, to retain his integrity.

Love is the productive form of relatedness to others and to oneself. It implies responsibility, care, respect. If it isn't productive and respectful, it isn't love, but only fear masquerading as love.

In the nineteenth century the problem was that God is dead. In the twentieth century the problem is that man is dead.

We talk about equality, about happiness, about freedom - and about the spiritual values of religion, and about God - and in our daily life, we act on principles which are different, and partly contradictory.

The criterion of mental health is not one of individual adjustment to a given social order, but a universal one, valid for all men, of giving a satisfactory answer to the problem of human existence.