Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
Parents forgive their children least readily for the faults they themselves instilled in them.
I've had lots of replies, we're into the double figures now. And the overall standard is very good. In fact I've been feeling a little guilty, because I haven't replied to anyone yet - it is something I will be doing.

