Life is like riding a bicycle. If you want to stay balanced you've got to keep moving forward.

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

Honesty scares quite a lot of people.

Few are they who have never had a chance to achieve happiness- and fewer those who have taken that chance.

The royal road to a man's heart is to talk to him about the things he treasures most.

I was approaching the age of 40 with a substantial publication record, but had not yet held any position in a chemistry department.

Seattle is this curious liberal island.

Learn to see and to feel life; that is, cultivate imagination, because there are still marvels in the world, because life is a mystery and always will be. But be aware of it.

Europe is nervous. Already rattled this year by the shock of the Brexit vote, the European Union needs stability in Italy, a country notorious for its instability.

I don't even watch Fox News usually in the prime time hours because I'm home with my kids and that's more important to me.

Style is often something which locks the painter into the same vision, the same technique, the same formula during years and years, sometimes during one's whole lifetime.

A painting is complete when it has the shadows of a god.