* Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning. <ref>Darbellay, Frédéric et al. (2008). [http://books.google.com/books?id=MbC45UX_4gMC&pg=PT19&dq=Learn+from+yesterday,+live+for+today,+hope+for+tomorrow.+The+important+thing+is+not+to+stop+questioning.&ei=Mdk-SormHozayQT1-uS-AQ ''A Vision of Transdisciplinarity: Laying Foundations for a World Knowledge Dialogue''] (Boca Raton, FL: CRC Press), p. xix. Retrived from GoogleBooks on February 2, 2015.</ref> | * Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning. <ref>Darbellay, Frédéric et al. (2008). [http://books.google.com/books?id=MbC45UX_4gMC&pg=PT19&dq=Learn+from+yesterday,+live+for+today,+hope+for+tomorrow.+The+important+thing+is+not+to+stop+questioning.&ei=Mdk-SormHozayQT1-uS-AQ ''A Vision of Transdisciplinarity: Laying Foundations for a World Knowledge Dialogue''] (Boca Raton, FL: CRC Press), p. xix. Retrived from GoogleBooks on February 2, 2015.</ref> |