无字书用通用语言说话。
"A wordless book speaks in a universal language."
自由从来不是被压迫者自愿给予的,必须由被压迫者争取。
知识只有在分享时才有价值。
Science is a journey, and every step matters.
Conscience and cowardice are really the same things.
Safety must always be the top priority in mining operations.