“Discontent is the first step in the progress of a man or a nation.”
“Restlessness is discontent — and discontent is the first necessity of progress. Show me a thoroughly satisfied man — and I will show you a failure.”
“Discontent is the first step in progress. No one knows what is in him till he tries, and many would never try if they were not forced to.”
“Education [is] not an end in itself but [is] the first step in a progress which should continue during a lifetime.”
“First steps are always the hardest but until they are taken the notion of progress remains only a notion and not an achievement.”
“In formal logic, a contradiction is the signal of a defeat; but in the evolution of real knowledge it marks the first step in progress towards a victory.”