The really happy person is the one who can enjoy the scenery, even when they have to take a detour.[make the best of what is necessary...if you can't have what you love, love what you have...as there are lovable or at least positive aspects in everything, because anything could be worse]

Science should leave off making pronouncements: the river of knowledge has too often turned back on itself.

We may as well cut out group theory. That is a subject that will never be of any use in physics.

To travel hopefully is better than to arrive.

Put three grains of sand inside a vast cathedral, and the cathedral will be more closely packed with sand than space is with stars.

...to many it is not knowledge but the quest for knowledge that gives greater interest to thought-to travel hopefully is better than to arrive.

One must stand stiller than still. On reverse time travel.