We cannot remember too often that when we observe nature, and especially the ordering of nature, it is always ourselves alone we are observing. Georg C. Lichtenberg
We cannot sacrifice innocent human life now for vague and exaggerated promises of medical treatments thirty of forty years from now. There are ways to pursue this technology and respect life at the same time. Ernest Istook
We cannot seek achievement for ourselves and forget about progress and prosperity for our community... Our ambitions must be broad enough to include the aspirations and needs of others, for their sakes and for our own. Cesar Chavez
We cannot seek or attain health, wealth, learning, justice or kindness in general. Action is always specific, concrete, individualized, unique. Benjamin Jowett
We cannot shun our values as an immigrant nation. This is a wrong path. And while possibly it is a short-term political victory based on division and based on creating a wedge issue that splits people in this country, it is a long-term defeat for this Nation. Raul Grijalva
We cannot suppose therefore that God has made an order of beings, with such mental qualities and powers, for the sole purpose of being used as beasts, or instruments of labour. Thomas Clarkson
We cannot turn the clock back nor can we undo the harm caused, but we have the power to determine the future and to ensure that what happened never happens again. Paul Kagame