No great achiever - even those who made it seem easy - ever succeeded without hard work.
Jonathan SacksTo achieve great things, two things are needed; a plan, and not quite enough time.
Leonard BernsteinI am a scientist. Mine is a professional world that achieves great things for humanity.
Randy SchekmanOptimism is the faith that leads to achievement. Nothing can be done without hope and confidence.
Helen KellerYet, our achievements also mask many continuing failings and seem to expose more future dangers.
Hun Sen