“The minds that rise and become really great are never self-satisfied, but still continue to strive.”

In science, the best precept is to alter and exchange our ideas as fast as science moves ahead.

We must remain, in a word, in an intellectual disposition which seems paradoxical, but which, in my opinion, represents the true mind of the investigator. We must have a robust faith and yet not believe.

True science teaches us to doubt and, in ignorance, to refrain.

Those who do not know the torment of the unknown cannot have the joy of discovery.

The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.

Obervation is a passive science, experimentation is an active science.

The investigator should have a robust faith – and yet not believe.

The fact that knowledge endlessly recedes as the investigator is about to grasp it is what constitutes at the same time his torment and happiness.

If I had to define life in a single phrase, I should clearly express my thought of throwing into relief one characteristic which, in my opinion, sharply differentiates biological science. I should say: life is creation.

First causes are outside the realm of science.

The great experimental principle, then, is doubt, that philosophic doubt which leaves to the mind its freedom and initiative, and from which the virtues most valuable to investigators in physiology and medicine are derived.

A great discovery is a fact whose appearance in science gives rise to shining ideas, whose light dispels many obscurities and shows us new paths.

A discovery is generally an unforeseen relation not included in theory.

Well-observed facts, though brought to light by passing theories, will never die; they are the material on which alone the house of science will at last be built.

Particular facts are never scientific; only generalization can establish science.

Men who believe too firmly in their theories, do not believe enough in the theories of others. So these despisers of their fellows make experiments only to destroy a theory, instead of to seek the truth.

Nothing in the world can bother you as much as your own mind, I tell you. In fact, others seem to be bothering you, but it is not others, it is your own mind.

Peace of Mind comes from knowing who YOU truly are and what YOU actually need.

If there are ripples on the surface of a lake, we cannot see the depth. Similarly unless the mind is restful, we cannot experience the harmony and union within us.

When a man has so far corrupted and prostituted the chastity of his mind, as to [profess] things he does not believe, he has prepared himself for the commission of every other crime.

I always think before I speak. I’m not the sort who will just say anything that comes to my mind. I’m a very emotional and sensitive person. But I’m also very strong and know my mind well.

Competitive spirit is still at a premium. The more you win, the better you play, the more money you make, so they all have that in mind.

Let’s stop giving up on our mind.

Let your heart mend the wounds that your mind doesn’t have the strength to heal.