Challenged Before Quotes
- Now I truly believe that we in this generation must come to terms with nature, and I think we're challenged, as mankind has never been… — Rachel Carson
- To straddle the middle ground and win elections, we have to be in charge of the political agenda. This can only be done by not… — Lee Kuan Yew
- We are challenged as mankind has never been challenged before to prove our maturity and our mastery, not of nature but of ourselves. — Rachel Carson