If you want to know your true opinion of someone, watch the effect produced in you by the first sight of a letter from him.

They tell us that suicide is the greatest piece of cowardice... that suicide is wrong; when it is quite obvious that there is nothing in the world to which every man has a more unassailable title than to his own life and person.

One should use common words to say uncommon things

How entirely does the Upanishad breathe throughout the holy spirit of the Vedas! How is every one who by a diligent study of its Persian Latin has become familiar with that incomparable book stirred by that spirit to the very depth of his Soul !

To attain something desired is to discover how vain it is; and…though we live all our lives in expectation of better things, we often at the same time long regretfully for what is past. The present, on the other hand, is regarded as something quite temporary and serving only as the road to our goal. That is why most men discover when they look back on their life that they have the whole time been living ad interim, and are surprised to see that which they let go by so unregarded and unenjoyed was precisely their life, was precisely in expectation of which they lived.

The mother of useful arts is necessity; that of the fine arts is luxury. For father the former has intellect; the latter genius, which itself is a kind of luxury.

That arithmetic is the basest of all mental activities is proved by the fact that it is the only one that can be accomplished by a machine.