Marshall Field (1835-1906), the US entrepreneur, presented twelve principles, which, he said, people needed to fully understand, in order to determine life’s core values. Here they are:
The brevity of time
The power of perseverance
The rewards of hard work
The importance of simplicity
The worth of character
The fruits of kindness
The power of example
The call of duty
The value of economy
The virtue of patience
The development of talent
The joy of creativity