Alexander

“[Johnson is] a man who waits to see the way the crowd is running and then dashes in front and says, ‘Follow me’.” 
Michael Heseltine, Good Morning Britain interview in 2018

“The Johnsonian creed [is] that it is, in his own words, acceptable, sometimes desirable to lie. Certainly that approach has been advantageous to him. But it must come at a price.”
Sonia Purnell, Johnson’s biographer and one-time deputy in the Telegraph’s Brussels bureau, writing after he withdrew from the leadership race in 2016

“He’s lied his way through life, he’s lied his way through politics, he’s a huckster with a degree of charm to which I am immune. As well as being mendacious he’s incompetent.” 
Conservative former minister Chris Patten in May interview with Bloomberg