"The difference between a tool and a machine is not capable of very precise distinction; nor is it necessary, in a popular explanation of those terms, to limit very strictly their acceptation."

"That the state of knowledge in any country will exert a directive influence on the general system of instruction adopted in it, is a principle too obvious to require investigation."

"In mathematics we have long since drawn the rein, and given over a hopeless race."

"Errors using inadequate data are much less than those using no data at all."

"By and large we have got to find the good leaders to work with to make sure that we build the strength in these communities. Simply issuing edicts from Canberra isn't going to solve issues on the APY lands."

"I think I might actually die of showing off. It'll be on my headstone - 'Cause of Death: Showing Off.'"

"A bad book is the worse that it cannot repent. It has not been the devil's policy to keep the masses of mankind in ignorance but finding that they will read, he is doing all in his power to poison their books."

"Study after study confirms that even when you control for variables like profession, education, hours worked, age, marital status, and children, men still are compensated substantially more - even in professions, like nursing, dominated by women. No wonder there's a gender gap."