Meanings of cultivate the power in English

They fail to cultivate the power of accurate observation, which is the most important thing of all.

Then as to arranging services in order to cultivate the power of continuous prayer among boys, I think it a thoroughly unpractical theory.

The first care should be to gain quiet, as through repose of mind and body we cultivate the power to "erase all previous impressions."

And yet I have been persuading myself that I was only cultivating the powers which God gave me.

They all could have gone differently if the participants had learned to cultivate the Power of "Not Now."

Determined to acquire knowledge while toiling, he applied his mind to things intellectual, cultivated the power of observation, and developed a retentive memory.