Apathy can be overcome by enthusiasm and enthusiasm can only be aroused by two things: first an ideal with takes the imagination by storm and second a definite intelligible plan for carrying that ideal into practice.

Science is the great antidote to the poison of enthusiasm and superstition.

A mediocre idea that generates enthusiasm will go further than a great idea that inspires no one.

Nothing great was ever achieved without enthusiasm.

Enthusiasm is the mother of effort and without it nothing great was ever achieved.

I didn't like England. I couldn't take the look of the place or the style of friendship. I need more intimacy from people than is considered okay there and I felt that my personality and my enthusiasms weren't understood. I had to put a big lid on myself.

Years may wrinkle the skin but to give up enthusiasm wrinkles the soul. Worry fear self-distrust bows the heart and turns the spirit back to dust.

While we are focusing on fear worry or hate it is not possible for us to be experiencing happiness enthusiasm or love.

I fear my enthusiasm flags when real work is demanded of me.

Thus after finishing high school I started with high expectations and enthusiasm to study chemistry at the famous Swiss Federal Institute of Technology in Zurich.