Angela Duckworth​​​​​​​

Harville Hendrix

C.G. Jung

C G Jung 

Benjamin Hardy

Roy F. Baumeister

Ichiro Kishimi

Kay Redfield Jamison 

Adam Alter

Kent Kiehl

Nicholas Carr

Joel Levy

Rudolf Hogger

Angela Duckworth 

Adam Phillips

Douglas Holwerda

Martin E.P. Seligman

Barbara Strauch

Daniel H. Pink

 Gretchen Rubin

Annie Ridout

Ethan Kross

Steven Pinker

Peter Gay