It is difficult to achieve a spirit of genuine cooperation as long as people remain indifferent to the feelings and happiness of others.

Your success is not defined by the opinions of others; it's defined by your own self-belief and determination.

We must accept finite disappointment but never lose infinite hope.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Grief is love's souvenir. It's the proof that we once loved.

I am of the opinion that my life belongs to the community, and as long as I live it is my privilege to do for it whatever I can.

„The only way to do great work is to love what you do.”