A man is sometimes more generous when he has but a little money than when he has plenty, perhaps through fear of being thought to have but little.

If you know how to spend less than you get, you have the philosopher's stone.

No better relation than a prudent and faithful friend.

The greatest inventions are those inquiries which tend to increase the power of man over matter.

Be cheerful -- the problems that worry us most are those that never arrive.

You may delay, but time will not.

The only time a question should be asked is when all other possibilities of finding the answer for yourself have been eliminated.