Jean-Paul Sartre

Breaking with old friends is one of the most painful of the changes in all that piling up of a multitude of small distasteful changes that constitutes growing older.
- John Dos Passos

Let the following quotes show you the glory of being alone and the magnificence of solitude.

I love to be alone. I never found the companion that was so companionable as solitude.
- Henry David Thoreau

The best remedy for those who are afraid, lonely or unhappy is to go outside,
somewhere where they can be quiet, alone with the heavens, nature and God.
Because only then does one feel that all is as it should be.
- Anne Frank

The man who goes alone can start today; but he who travels with another must wait till that other is ready.
- Henry David Thoreau

You cannot be lonely if you like the person you're alone with.
- Wayne Dyer

The time you feel lonely is the time you most need to be by yourself.
- Doug Coupland

It is far better to be alone, than to be in bad company.
- George Washington

If you are lonely when you're alone, you are in bad company.
- Jean-Paul Sartre

Being solitary is being alone well:
being alone luxuriously immersed in doings of your own choice,
aware of the fullness of your won presence rather than of the absence of others.
Because solitude is an achievement.
- Alice Koller

Spend some time alone everyday.
- Tenzin Gyatso, the 14th Dalai Lama