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Progress requires setbacks; the only sure way to avoid failure is not to try.

Without a struggle, there can be no progress.

Progress is impossible without change, and those who cannot change their minds cannot change anything.

You shouldn't try to manufacture progress.

Sometimes making progress a step at a time is better than no progress at all.

Progress will always have as its recourse to exaggerate what it cannot surpass.

Progress can be unglamorous.

In the long run, it's impossible to make progress without sometimes having setbacks, although people who get lucky on their first attempt sometimes forget this.

Progress is not an illusion, it happens, but it is slow and invariably disappointing.