Quotes about Development
To achieve something that you have never achieved before, you must learn and practice qualities and skills that you have never had before.
— Brian Tracy
Practice one virtue for a period of two weeks, then three weeks, then one virtue per month.
— Brian Tracy
Practice is the key to mastering any skill.
— Brian Tracy
Difficulties come not to obstruct, but to instruct.
— Brian Tracy
There is a special way that you can accelerate your progress toward becoming the highly productive, effective, efficient person that you want to be.
— Brian Tracy
To develop a quality that you lack, act as if you already had that quality in every situation where it is called for. In modern terms, however, we say, "Fake it until you make it".
— Brian Tracy
Civilization is a product of the cerebral cortex.
— Carl Sagan
These are some of the things that hydrogen atoms do, given fifteen billion years of cosmic evolution.
— Carl Sagan
It is precisely our plasticity, our long childhood, that prevents a slavish adherence to genetically programmed behavior in human beings more than in any other species.
— Carl Sagan
Our very existence in that distant time requires that we will have changed our institutions and ourselves.
— Carl Sagan
I would expect a significant development and elaboration of language in only a few generations if all the chimps unable to communicate were to die or fail to reproduce. Basic English corresponds to about 1,000 words. Chimpanzees are already accomplished in vocabularies exceeding 10 percent of that number.
— Carl Sagan
Abandoning science is the road back into poverty and backwardness.
— Carl Sagan