Show me a sane man and I will cure him for you.
Who has fully realized that history is not contained in thick books but lives in our very blood?
The shoe that fits one person pinches another; there is no recipe for living that suits all cases.
Sometimes, indeed, there is such a discrepancy between the genius and his human qualities that one has to ask oneself whether a little less talent might not have been better.
The creation of something new is not accomplished by the intellect but by the play instinct acting from inner necessity. The creative mind plays with the objects it loves.
The debt we owe to the play of imagination is incalculable.
The greatest and most important problems of life are all fundamentally insoluble. They can never be solved but only outgrown.
The healthy man does not torture others - generally it is the tortured who turn into torturers.
The least of things with a meaning is worth more in life than the greatest of things without it.
The man who promises everything is sure to fulfil nothing, and everyone who promises too much is in danger of using evil means in order to carry out his promises, and is already on the road to perdition.
The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.
The most intense conflicts, if overcome, leave behind a sense of security and calm that is not easily disturbed. It is just these intense conflicts and their conflagration which are needed to produce valuable and lasting results.
The pendulum of the mind alternates between sense and nonsense, not between right and wrong.
The Christian missionary may preach the gospel to the poor naked heathen, but the spiritual heathen who populate Europe have as yet heard nothing of Christianity.