Gwede Mantashe says the minister who resigned following the Cabinet reshuffle are only thinking about their pensions.
Jonas had intended to stay on at Parliament but realised the party will not allow its MPs to vote with their conscience in the motion of no confidence against Zuma.
"In politics, it is easy for us to fall into the trap of debating, at a point in time, who is in charge; who was in charge; who will be in charge next."
"Everything we did was to advance the cause of the country".
The DA wants the court to overturn Zuma's decision to fire former finance minister Pravin Gordhan and his deputy Mcebisi Jonas.
Outgoing Finance Minister Pravin Gordhan and his deputy Mcebisi Jonas explain the Cabinet reshuffle and state capture.
The sacked minister of finance said he is worried what might happen with the management of civil servants' pensions.
The axed minister of finance left National Treasury with a volley of parting shots aimed squarely at President Jacob Zuma and the Guptas. Here are his best quotes.
Gordhan has urged South Africans to mobilise against anti-democratic tendencies in the state.
These ministers felt the full brunt of President Zuma's Cabinet reshuffle.