Jean Piaget Quote: No.14
- 14
Scientific knowledge is in perpetual evolution; it finds itself changed from one day to the next. Jean Piaget | Refcard PDF ↑
Tool box
- Name:
- Jean Piaget (random)
- Books & Videos:
- Jean Piaget Books & Videos
- Type:
- Psychologist
- Nationality:
- Swiss
- Birth Date / Year:
- August 9, 1896
- Death Date / Year:
- September 16, 1980
