Peter Ritchie Calder Professions : Author Born : July 1, 1906 Died : January 31, 1982 Browse All Authors Famous Quotes by Peter Ritchie Calder Science at best is not wisdom; it is knowledge. Wisdom is knowledge tempered with judgment. Peter Ritchie Calder education science knowledge That is how the atom is split. But what does it mean ? To us who think in terms of practical use it means - Nothing ! Peter Ritchie Calder science mean thinking Similar Authors F. E. Marsh author Iimani David author Beatrice Faust author Isabella Macdonald Alden author Isabella Beeton author Alan AtKisson author All Authors