He [said of one or other eminent colleagues] is a very busy man, and half of what he publishes is true, but I don't know which half.
![He [said of one or other eminent colleagues] is a very busy man, and half of what he publishes is true, but I don't know which half.](http://cdn.quoteddaily.com/images/erwin-chargaff/he-said-of-one-or-other-eminent-colleagues-is-a-very-busy-man-and-half-of-what-he-publishes-is.jpg)
He [said of one or other eminent colleagues] is a very busy man, and half of what he publishes is true, but I don't know which half.