The greatest grand challenge for any scientist is discovering how to prevent the spread of HIV and finding the cure or an effective vaccine for AIDS.
Philip Emeagwali

The intellectual takes as a starting point his self and relates the world to his own sensibilities; the scientist accepts an existing field of knowledge and seeks to map out the unexplored terrain.
Daniel Bell

The positive heuristic of the programme saves the scientist from becoming confused by the ocean of anomalies.
Imre Lakatos

The public impression is that the government, industry or the highest bidder can buy a scientist to add credibility to any message. That crucial quality of impartiality is being lost.
Johnny Ball

The pure natural scientist is liable to forget that minds exist, and that if it were not for them he could neither know nor act on physical objects.
Charles D. Broad

The real scientist is ready to bear privation and, if need be, starvation rather than let anyone dictate to him which direction his work must take.
Albert Szent-Gyorgyi

The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.
Henri Poincare

The scientist is a lover of truth for the very love of truth itself, wherever it may lead.
Luther Burbank

The scientist is motivated primarily by curiosity and a desire for truth.
Irving Langmuir

The scientist is not a person who gives the right answers, he is one who asks the right questions.
Claude Levi-Strauss

The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.
Erwin Schrodinger

The scientist rigorously defends his right to be ignorant of almost everything except his specialty.
Marshall McLuhan

The scientist's inquiry into the causes of things is providing an ever more extensive understanding of nature.
Kenneth G. Wilson

The theist and the scientist are rival interpreters of nature, the one retreats as the other advances.
Joseph McCabe

The time has come to formulate guidelines for the ethical conduct of scientist, perhaps in the form of a voluntary Hippocratic Oath.
Joseph Rotblat

There comes a time when every scientist, even God, has to write off an experiment.
P. D. James

There's no term to the work of a scientist.
Walter Reisch

To make the moral achievement implicit in science a source of strength to civilization, the scientist will have to have the cooperation also of the philosopher and the religious teacher.
Arthur Holly Compton

To the scientist there is the joy in pursuing truth which nearly counteracts the depressing revelations of truth.
H. P. Lovecraft

Touch a scientist and you touch a child.
Ray Bradbury