Our Scottish theory ... is that every country has need of Scotchmen, but that Scotland has no need of the citizens of any other country.

There are plenty of cases of war being begun before it is declared.

I am more or less happy when being praised, not very comfortable when being abused, but I have moments of uneasiness when being explained.

The power of authority is never more subtle and effective than when it produces a psychological atmosphere or climate favorable to the life of certain modes of belief, unfavorable, and even fatal, to the life of others.

It has always been desirable to tell the truth, but seldom if ever necessary.

No country can allow its safety to be wholly dependent on faithful observance by other states of rules to which they are obliged.

But science is the great instrument of social change, all the greater because its object is not change but knowledge, and its silent appropriation of this dominant function, amid the din of political and religious strife, is the most vital of all the revolutions which have marked the development of modern civilisation.