To fear love is to fear life.
Bertrand Russell (1872–1970) was an English Mathematician and logician and, one of the founders of analytical philosophy.
Things he said:
Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.
Of all forms of caution, caution in love is perhaps the most fatal to true happiness.
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
Russell, B. (1945). A History of Western Philosophy. London: George Allen & Unwin Ltd.