Prabhupada Letters :: 1947-64.

"Do you think that horseless carriage or telephone or radio can bring in material prosperity? No they cannot. Do you think your different plans have brought in the ideal standard of material prosperity? The unrest will continue."

Prabhupada Letters :: 1972.

"Krishna's plan becomes very easy for us when we follow Krishna's orders, otherwise, we are following Maya's plan. Following Krishna's orders means chanting daily 16 rounds, the four rules, rising early, like that."