Sometimes bringing about change is going to butt up against the status quo.
But although he discovered the cells in mouse embryos, human embryos have them too, and that is leading to trouble as the desires of researchers butt up against the fears of ethicists.
Meanwhile, former ECB chairman Lord MacLaurin told BBC Radio 5 live that England were right to consider legal action against Butt.
BBC: England demand full apology from PCB chairman Ijaz Butt
Lorgat would not discuss details of the case against Salman Butt, Mohammed Amir and Mohammed Asif, but expressed himself happy at the way the matter had been dealt with.
This investigation is in addition to the alleged spot-fixing over no-balls in the Lord's Test in August, which led to a police investigation and ICC charges against Salman Butt, Mohammad Asif and Mohammad Amir - who have all now returned to Pakistan.
Ask a couple of people that you're always competing against or people that you butt heads with.
WSJ: Cultivating Your 'Soft Skills' Can Help You Get Ahead in Your Job
So that people avoid becoming the butt of jokes, Collins English Dictionary advises against using literally as an intensifier in formal or written contexts.
David Beckham grabbed the glory - but it was Michael Owen and Nicky Butt who put World Cup vengeance in England's grasp against Argentina in Sapporo.
Kaneria, who was playing against colleagues he will join when Pakistan start their Test series against England later in the summer, earned a consolation when he took the wicket of Butt.
Finally, a button on the butt of the shooter triggers the "hold your breath" action to steady an in-game weapon when pressed against your arm or shoulder.
Supt Nadeem Butt, of Greater Manchester Police, said: Zaidi had "abused the vulnerability" of the children, gone against the wishes of his own community and broken the law.
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