“Success can only come to you by courageous devotion to the task lying in front of you.”

I strongly believe that fundamental science cannot be driven by instructional, industrial, governmental or military pressures.

The fundamental importance of the subject of molecular diffraction came first to be recognized through the theoretical work of the late Lord Rayleigh on the blue light of the sky, which he showed to be the result of the scattering of sunlight by the gases of the atmosphere.

It seemed not unlikely that the phenomenon owed its origin to the scattering of sunlight by the molecules of the water.

The whole edifice of modern physics is built up on the fundamental hypothesis of the atomic or molecular constitution of matter.

I have always thought it a great privilege to have as my colleague in the Palit Chair of Chemistry such a distinguished pioneer in scientific research and education in Bengal as Sir Prafulla Ray.

We must teach science in the mother tongue. Otherwise, science will become a highbrow activity.

Towards the end of February 1928, I took the decision of using brilliant monochromatic illumination obtained by the aid of the commercially available mercury arcs sealed in quartz tubes.

The Sensations of Tone.’ As is well known, this was one of Helmholtz’s masterpieces.

All the instruments of percussion known to European science are essentially nonmusical and can only be tolerated in open air music or in large orchestras where a little noise more or less makes no difference.

In the first English class I attended, Prof. E. H. Elliot, addressing me, asked if I really belonged to the Junior B. A. class, and I had to answer him in the affirmative. He then proceeded to inquire how old I was.

Is there any more encouraging sign than to see an Indian, who has never been to a university, like our friend Mr. Asutosh Dey here, for example, carrying out original work and finding it recognized by the foremost societies of the world?

We begin to realise that the molecular scattering of light in liquids may possess an astronomical significance, in fact contribute in an important degree to the observed albedo of the earth.

It was my great good fortune, while I was still a student at college, to have possessed a copy of an English translation of his great work.

And it was this belief which led to the subject becoming the main theme of our activities at Calcutta from that time onwards.

It was the late Dr. Mahendra Lal Sircar who, by founding the Indian Association for the Cultivation of Science, made it possible for the scientific aspirations of my early years to continue burning brightly.

This was the reason why I decided, as far as possible, not to accept money from the government.

I really feel very strongly that the person who runs for office is the courageous one, and the one who everybody has to know.

Creativity is neither the product of neurosis nor simple talent, but an intense courageous encounter with the Gods.

When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for a better future.

It’s going to take a new generation of courageous conservatives to help make America great again.

Today’s Declaration: I am courageous. I am willing to act in spite of fear.

We are going to need the capacity to take a courageous stand when and where necessary.

I feel that it is our moral obligation to stand and to be courageous with these families, and particularly Cindy, that have become the conscience of this nation.

I was a photographer first.I worked alone. I did it my way as much as I could. I have been sort of courageous about doing things, because I didn’t think I should do less than my brothers.