We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.
A word devoid of thought is a dead thing, and a thought unembodied in words remains a shadow.
Psychology teaches us at every step that though two types of activity can have the same external manifestation, whether in origin or essence, their nature may differ most profoundly.
Writing should be meaningful for children, Y an intrinsic need should be aroused in them, and Y writing should be incorporated into a task that is necessary and relevant.
There is reason to believe that voluntary activity, more than highly developed intellect, distinguishes humans from the animals which stand closest to them.
What a child can do today with assistance, she will be able to do by herself tomorrow.
The true direction of the development of thinking is not from the individual to the social, but from the social to the individual.
I think the greatest thing we give each other is encouragement. . . knowing that I'm talking to someone in this mentoring relationship who's interested in the big idea here is very, very important to me. I think if it were just about helping me get to the next step, it would be a heck of a lot less interesting.
Nothing so conclusively proves a man's ability to lead others as what he does from day to day to lead himself.
You may have failed, but you are not a failure. That's what you did. That's not who you are.
All I need is a badly mangled, irate sentence stalking me.