Words are acoustical signs for concepts; concepts, however, are more or less definite image signs for often recurring and associated sensations, for groups of sensations. To understand one another, it is not enough that one use the same words; one also has to use the same words for the same species of inner experiences; in the end one has to have one's experiences in common.
If I were to die today, I would have some concern for Tibet. But I know that I have personally done as much as I can to use my existence for others. So I have no regret.
And tell him it's quite true that the best of the philosophers are of no use to their fellows; but that he should blame, not the philosophers, but those who fail to make use of them.
The assertion that 'all men are created equal' was of no practical use in effecting our separation from Great Britain and it was placed in the Declaration not for that, but for future use.
I do not understand this squeamishness about the use of gas... I am strongly in favour of using poisoned gas against uncivilised tribes... It is not necessary to use only the most deadly gases: gases can be used which cause great inconvenience and would spread a lively terror and yet would leave no serious permanent effects on most of those affected.