Science is the tool of the Western mind and with it more doors can be opened than with bare hands.

Find out what a person fears most and that is where he will develop next.

Science is not ... a perfect instrument, but it is a superb and invaluable tool that works harm only when taken as an end in itself.

Nothing is possible without love ... For love puts one in a mood to risk everything.

Called or not, God is always there.

There is no birth of consciousness without pain.

In each of us there is another whom we do not know. He speaks to us in dreams and tells us how differently he sees us from the way we see ourselves. When, therefore, we find ourselves in a difficult situation to which there is no solution, he can sometimes kindle a light that radically alters our attitude - the very attitude that led us into the difficult situation.