7th dan is concerned with finding out what it means to walk alone...

The practitioner is both a teacher and a scholar, possessing a considerable sense of the art and its philosophical heritage.
Study, research, practice and progress must continue. The art must unfold and your insight deepen.

Taijiquan is an incredibly complex, sophisticated art.
Being 'advanced' requires an understanding that transcends rote learning and repetition.
You need decades of practice, skill and teaching experience.

The student must now make a unique, personal and significant contribution to the art.

This can take the form of new insights, approaches or applications.
The contribution must be meaningful and extensive.
It needs to affect every aspect of the training.