Perfection is immutable. But for things imperfect change is the way to perfect them.
A theoretical grounding in agronomy must therefore include knowledge of biological laws.
Close contact between science and the practice of collective farms and State...
Agricultural practice served Darwin as the material basis for the elaboration...
Nothing is so threatening to conventional values as a man who does not...
Ignorance more frequently begets confidence than does knowledge: it is...
No thief, however skillful, can rob one of knowledge, and that is why...
