"Train people well enough so they can leave. Treat them well enough so they don't want to." - Sir Richard Branson

As we look ahead into the 21st century, leaders will be those who empower others. - Bill Gates, co-founder of Microsoft

To lead people, walk beside them. As for the best leaders, the people do not notice their existence ... When the best leader's work is done, the people say, 'We did it ourselves!' - Lao Tsu, Chinese philosopher

Discuss these statements critically within the context of 21st Century organisations, using relevant leadership and human capital theories.