It is through others that we become ourselves.

... People with great passions, people who accomplish great deeds, people who possess strong feelings, even people with great minds and a strong personality, rarely come out of good little boys and girls.

By giving our students practice in talking with others, we give them frames for thinking on their own.

What children can do with the assistance of others might be in some sense even more indicative of their mental development than what they can do alone

Experience teaches us that thought does not express itself in words, but rather realizes itself in them

It is through others that we become ourselves.

In play, the child is always behaving beyond his age, above his usual everyday behaviour; in play he is, as it were, a head above himself. Play contains in a concentrated form, as in the focus of a magnifying glass, all developmental tendencies; it is as if the child tries to jump above his usual level.