They always are non-material, i.e. take the form for example of the feeling of happiness, the satisfaction of self-fulfilment, peace of mind, lack of stress, finding a loved partner, loving and polite children, nice neighbours, lack of problems at work and in life, etc. - for more information about attributes of these rewards" and punishments" see item #B2.1 of the web page mozajski_uk.htm or se