Either you run the day or the day runs you.
Go for it now. The future is promised to no one.
You never know what motivates you.
Problems are not stop signs, they are guidelines.
Things do not happen. Things are made to happen.
Begin to be now what you will be hereafter.
Who seeks shall find.
To know oneself, one should assert oneself.
Be gentle to all and stern with yourself.
After a storm comes a calm.
The scientist is motivated primarily by curiosity and a desire for truth.
Science, almost from its beginnings, has been truly international in character. National prejudices disappear completely in the scientist's search for truth.