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Black history teaches us that democracy is not self-sustaining; it requires vigilance, sacrifice, and strategic organizing.

"I can't foresee a scenario where DSA is able to generate sufficient passenger numbers to enable it to actually be self-sustaining."

They’re self-sustaining and also a more pure crop in terms of agriculture.

Further flights, he said, would fulfill the goal of building a “self-sustaining city in about 20 years.”

Richardson said since the program is based on loans that will be repaid over time, it will be self-sustaining.