This change in the conception of reality is the most profound and the most fruitful that physics has experienced since the time of Newton. Refering to James Clerk Maxwell's contributions to physics.

During the last century, and part of the one before, it was widely held that there was an unreconcilable conflict between knowledge and belief.

I have made no secret, either privately or publicly, of any sense of outrage over officially enforced military and war service. I regard it as a duty of conscience to fight against such barbarous enslavement of the individual with every means available.

...and knowledge is one of the finest attributes of man - though often it is most loudly voiced by those who strive for it the least.

Not all that counts, can be counted

It is a precarious undertaking to say anything reliable about aims and intentions.

You can't blame gravity for falling in love.