Agile is an attitude: https://blog.cognitect.com/blog/2017/7/27/how-we-work-agile-is-an-attitude (on the value of agile techniques, but applying them with an awareness of their limitations)
miniblog.
Related Posts
Dilbert summarising the traditional attitude of technology decisions http://t.co/ZgutQ4KC5E (oh, hindsight!)