I shall endeavour still further to prosecute this inquiry, an inquiry I trust not merely speculative, but of sufficient moment to inspire the pleasing hope of its becoming essentially beneficial to mankind.

Edward Jenner

Becoming Beneficial Endeavour Essentially Further Hope Inquiry Inspire Mankind Merely Moment Pleasing Shall Speculative Still Sufficient Trust

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Gratitude is merely the secret hope of further favors.

— Francois de La Rochefoucauld

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I hope that some day the practice of producing cowpox in human beings will spread over the world - when that day comes, there will be no more smallpox.

— Edward Jenner

Some say 10% to 15% of revenue comes from roaming. Everybody is using speculative figures at the moment.

— Martin Selmayr

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In order to really enjoy a dog, one doesn't merely try to train him to be semi-human. The point of it is to open oneself to the possibility of becoming partly a dog.

— Edward Hoagland

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We leave as we came and, god willing, as we shall return, with peace, and hope for all mankind.

— Gene Cernan