There is no limit to which a man will not go to avoid thinking.
The memory of my mother will always be a blessing to me.
The greatest invention in the world is the mind of a child.
The perils of overwork are slight compared with the dangers of inactivity.
Somewhere between the ages of eleven and fifteen, the average child begins to suffer from an atrophy, the paralysis of curiosity and the suspension of the power to observe. The trouble, I should judge, to lie with the schools.
An idea is something that won't work unless you do.