I stated what I learned through the path of angiology studies that I have followed since
1921; those things which came to me through experimentations and，from intuition. They are
summed up in the following categories: 1) To search for truth. 2) The theme for one's lifetime，3) A will to seek in nature，4) Planning of experimental methods，5) Desire for freedom
of study，6) Freedom from the ghost of authority，7) To follow good traditions，8) Cooperation in study，9) Presentation of research results，10) Study never ends，11) One-page pledge，and 12) Formation of character through research.