1894-1977, French Biologist, Writer
It takes a very deep-rooted opinion to survive unexpressed.
Jean Rostand – [Opinions]


Nothing leads the scientist so astray as a premature truth.
Jean Rostand – [Science and Scientists]


One must credit an hypothesis with all that has had to be discovered in order to demolish it.
Jean Rostand – [Theory]


One must either take an interest in the human situation or else parade before the void.
Jean Rostand – [Involvement]


Prerequisite for rereadability in books: that they be forgettable.
Jean Rostand – [Books and Reading]


Renown? I've already got more of it than those I respect, and will never have as much as those for whom I feel contempt..
Jean Rostand – [Fame]


Stupidity, outrage, vanity, cruelty, iniquity, bad faith, falsehood — we fail to see the whole array when it is facing in the same direction as we.
Jean Rostand – [Prejudice]


Take heed of critics even when they are not fair; resist them even when they are.
Jean Rostand – [Critics and Criticism]


The books one has written in the past have two surprises in store: one couldn't write them again, and wouldn't want to.
Jean Rostand – [Books and Reading]


The divine is perhaps that quality in man which permits him to endure the lack of God.
Jean Rostand – [Atheism]


The ideal, without doubt, varies, but its enemies, alas, are always the same.
Jean Rostand – [Ideals and Idealism]


The least one can say of power is that a vocation for it is suspicious.
Jean Rostand – [Power]


The nobility of a human being is strictly independent of that of his convictions.
Jean Rostand – [Belief]


The only things one can admire at length are those one admires without knowing why.
Jean Rostand – [Admiration]


There are certain moments when we might wish the future were built by men of the past.
Jean Rostand – [Future]


To be adult is to be alone.
Jean Rostand – [Adulthood]


To hate fatigues.
Jean Rostand – [Hatred]


To love an idea is to love it a little more than one should.
Jean Rostand – [Ideas]


To reflect is to disturb one's thoughts.
Jean Rostand – [Thoughts and Thinking]


To say of men that they are bad is to say they are worse than we think we are, or worse than the ideal man whose image we have built up on the basis of a certain few.
Jean Rostand – [Judgment and Judges]

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